doc: mention all supported plugins

Also, in the extensions mention the required vim plugin

autoload/airline/extensions/ale.vim

@@ -1,4 +1,5 @@
 " MIT License. Copyright (c) 2013-2019 Bjorn Neergaard, w0rp et al.
+" Plugin: https://github.com/dense-analysis/ale
 " vim: et ts=2 sts=2 sw=2
 
 scriptencoding utf-8

autoload/airline/extensions/bookmark.vim

@@ -1,6 +1,6 @@
-"
 " MIT License. Copyright (c) 2019 Bjoern Petri <bjoern.petri@sundevil.de>
-"
+" Plugin: https://github.com/MattesGroeger/vim-bookmarks
+" vim: et ts=2 sts=2 sw=2
 
 scriptencoding utf-8
 

autoload/airline/extensions/branch.vim

@@ -1,4 +1,5 @@
 " MIT License. Copyright (c) 2013-2019 Bailey Ling et al.
+" Plugin: fugitive, lawrencium and vcscommand
 " vim: et ts=2 sts=2 sw=2
 
 scriptencoding utf-8

autoload/airline/extensions/bufferline.vim

@@ -1,4 +1,5 @@
 " MIT License. Copyright (c) 2013-2019 Bailey Ling et al.
+" Plugin: https://github.com/bling/vim-bufferline
 " vim: et ts=2 sts=2 sw=2
 
 scriptencoding utf-8

autoload/airline/extensions/capslock.vim

@@ -1,4 +1,5 @@
 " MIT License. Copyright (c) 2014-2019 Mathias Andersson et al.
+" Plugin: https://github.com/tpope/vim-capslock
 " vim: et ts=2 sts=2 sw=2
 
 scriptencoding utf-8

autoload/airline/extensions/coc.vim

@@ -1,3 +1,7 @@
+" MIT License. Copyright (c) 2019 Peng Guanwen et al.
+" vim: et ts=2 sts=2 sw=2
+" Plugin: https://github.com/neoclide/coc
+
 scriptencoding utf-8
 
 let s:error_symbol = get(g:, 'airline#extensions#coc#error_symbol', 'E:')

autoload/airline/extensions/commandt.vim

@@ -1,4 +1,5 @@
 " MIT License. Copyright (c) 2013-2019 Bailey Ling et al.
+" Plugin: https://github.com/wincent/command-t
 " vim: et ts=2 sts=2 sw=2
 
 scriptencoding utf-8

autoload/airline/extensions/csv.vim

@@ -1,4 +1,5 @@
 " MIT License. Copyright (c) 2013-2019 Bailey Ling, Christian Brabandt et al.
+" Plugin: https://github.com/chrisbra/csv.vim
 " vim: et ts=2 sts=2 sw=2
 
 scriptencoding utf-8

autoload/airline/extensions/ctrlp.vim

@@ -1,4 +1,5 @@
 " MIT License. Copyright (c) 2013-2019 Bailey Ling et al.
+" Plugin: https://github.com/ctrlpvim/ctrlp.vim
 " vim: et ts=2 sts=2 sw=2
 
 scriptencoding utf-8

autoload/airline/extensions/cursormode.vim

@@ -1,4 +1,5 @@
 " MIT Licsense.
+" Plugin: https://github.com/vheon/vim-cursormode
 " Copyright (C) 2014 Andrea Cedraro <a.cedraro@gmail.com>,
 " Copyright (C) 2017 Eduardo Suarez-Santana <e.suarezsantana@gmail.com>
 

autoload/airline/extensions/denite.vim

@@ -1,4 +1,5 @@
 " MIT License. Copyright (c) 2017-2019 Thomas Dy et al.
+" Plugin: https://github.com/Shougo/denite.nvim
 " vim: et ts=2 sts=2 sw=2
 
 scriptencoding utf-8

autoload/airline/extensions/eclim.vim

@@ -1,4 +1,5 @@
 " MIT License. Copyright (c) 2013-2019 Bailey Ling et al.
+" PLugin: https://eclim.org
 " vim: et ts=2 sts=2 sw=2
 
 scriptencoding utf-8

autoload/airline/extensions/fugitiveline.vim

@@ -1,4 +1,5 @@
 " MIT License. Copyright (c) 2017-2019 Cimbali et al
+" Plugin: https://github.com/tpope/vim-fugitive
 " vim: et ts=2 sts=2 sw=2
 
 scriptencoding utf-8

autoload/airline/extensions/grepper.vim

@@ -1,8 +1,7 @@
 " MIT License. Copyright (c) 2014-2019 Mathias Andersson et al.
+" Plugin: https://github.com/mhinz/vim-grepper
 " vim: et ts=2 sts=2 sw=2
 
-" Heavily derived from the Gutentags extension
-
 scriptencoding utf-8
 
 if !get(g:, 'loaded_grepper', 0)

autoload/airline/extensions/gutentags.vim

@@ -1,4 +1,5 @@
 " MIT License. Copyright (c) 2014-2019 Mathias Andersson et al.
+" Plugin: https://github.com/ludovicchabant/vim-gutentags
 " vim: et ts=2 sts=2 sw=2
 
 scriptencoding utf-8

autoload/airline/extensions/hunks.vim

@@ -1,4 +1,5 @@
 " MIT License. Copyright (c) 2013-2019 Bailey Ling et al.
+" Plugin: vim-gitgutter, vim-signify, changesPlugin, quickfixsigns
 " vim: et ts=2 sts=2 sw=2
 
 scriptencoding utf-8

autoload/airline/extensions/languageclient.vim

@@ -1,6 +1,5 @@
 " MIT License. Copyright (c) 2013-2019 Bjorn Neergaard, hallettj et al.
-" This comes from the Languageclient plugin:
+" Plugin: https://github.com/autozimu/LanguageClient-neovim
-" https://github.com/autozimu/LanguageClient-neovim
 " vim: et ts=2 sts=2 sw=2
 
 scriptencoding utf-8

autoload/airline/extensions/localsearch.vim

@@ -1,4 +1,5 @@
 " MIT License. Copyright (c) 2018-2019 mox et al.
+" Plugin: https://github.com/mox-mox/localsearch
 " vim: et ts=2 sts=2 sw=2
 
 scriptencoding utf-8

autoload/airline/extensions/neomake.vim

@@ -1,4 +1,5 @@
 " MIT License. Copyright (c) 2013-2019 Bailey Ling et al.
+" Plugin: https://github.com/neomake/neomake
 " vim: et ts=2 sts=2 sw=2
 
 if !exists(':Neomake')

autoload/airline/extensions/netrw.vim

@@ -1,4 +1,5 @@
 " MIT License. Copyright (c) 2013-2019 Bailey Ling et al.
+" Plugin: http://www.drchip.org/astronaut/vim/#NETRW
 " vim: et ts=2 sts=2 sw=2
 
 scriptencoding utf-8

autoload/airline/extensions/nrrwrgn.vim

@@ -1,4 +1,5 @@
 " MIT License. Copyright (c) 2013-2019 Bailey Ling, Christian Brabandt et al.
+" Plugin: https://github.com/chrisbra/NrrwRgn
 " vim: et ts=2 sts=2 sw=2
 
 scriptencoding utf-8

autoload/airline/extensions/obsession.vim

@@ -1,4 +1,5 @@
 " MIT License. Copyright (c) 2013-2019 Bailey Ling et al.
+" Plugin: https://github.com/tpope/vim-obsession
 " vim: et ts=2 sts=2 sw=2
 
 scriptencoding utf-8

autoload/airline/extensions/promptline.vim

@@ -1,4 +1,5 @@
 " MIT License. Copyright (c) 2013-2019 Bailey Ling et al.
+" Plugin: https://github.com/edkolev/promptline.vim
 " vim: et ts=2 sts=2 sw=2
 
 scriptencoding utf-8

autoload/airline/extensions/syntastic.vim

@@ -1,4 +1,5 @@
 " MIT License. Copyright (c) 2013-2019 Bailey Ling et al.
+" Plugin: https://github.com/vim-syntastic/syntastic
 " vim: et ts=2 sts=2 sw=2
 
 scriptencoding utf-8

autoload/airline/extensions/tabline/ctrlspace.vim

@@ -1,4 +1,5 @@
 " MIT License. Copyright (c) 2016-2019 Kevin Sapper et al.
+" Plugin: https://github.com/szw/vim-ctrlspace
 " vim: et ts=2 sts=2 sw=2
 
 scriptencoding utf-8

autoload/airline/extensions/tabline/tabws.vim

@@ -1,4 +1,5 @@
 " MIT License. Copyright (c) 2016-2019 Kevin Sapper et al.
+" PLugin: https://github.com/s1341/vim-tabws
 " vim: et ts=2 sts=2 sw=2
 
 scriptencoding utf-8

autoload/airline/extensions/tabline/xtabline.vim

@@ -1,5 +1,6 @@
 """"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
 " xTabline - Reduced version for vim-airline
+" Plugin: https://github.com/mg979/vim-xtabline
 " MIT License Copyright (C) 2018-2019 Gianmaria Bajo <mg1979.git@gmail.com>
 " tabpagecd:
 " expanded version by mg979

autoload/airline/extensions/tagbar.vim

@@ -1,4 +1,5 @@
 " MIT License. Copyright (c) 2013-2019 Bailey Ling et al.
+" Plugin: https://github.com/majutsushi/tagbar
 " vim: et ts=2 sts=2 sw=2
 
 scriptencoding utf-8

autoload/airline/extensions/tmuxline.vim

@@ -1,4 +1,5 @@
 " MIT License. Copyright (c) 2013-2019 Bailey Ling et al.
+" Plugin: https://github.com/edkolev/tmuxline.vim
 " vim: et ts=2 sts=2 sw=2
 
 scriptencoding utf-8

autoload/airline/extensions/undotree.vim

@@ -1,4 +1,5 @@
 " MIT License. Copyright (c) 2013-2019 Bailey Ling et al.
+" Plugin: https://github.com/mbbill/undotree
 " vim: et ts=2 sts=2 sw=2
 
 scriptencoding utf-8

autoload/airline/extensions/unicode.vim

@@ -1,4 +1,5 @@
 " MIT License. Copyright (c) 2013-2019 Bailey Ling, Christian Brabandt et al.
+" Plugin: https://github.com/chrisbra/unicode.vim
 " vim: et ts=2 sts=2 sw=2
 
 scriptencoding utf-8

autoload/airline/extensions/unite.vim

@@ -1,4 +1,5 @@
 " MIT License. Copyright (c) 2013-2019 Bailey Ling et al.
+" Plugin: https://github.com/Shougo/unite.vim
 " vim: et ts=2 sts=2 sw=2
 
 scriptencoding utf-8

autoload/airline/extensions/vimagit.vim

@@ -1,4 +1,5 @@
 " MIT License. Copyright (c) 2016-2019 Jerome Reybert et al.
+" Plugin: https://github.com/jreybert/vimagit
 " vim: et ts=2 sts=2 sw=2
 
 " This plugin replaces the whole section_a when in vimagit buffer

autoload/airline/extensions/vimtex.vim

@@ -1,4 +1,5 @@
 " MIT License. Copyright (c) 2013-2019 Bailey Ling et al.
+" Plugin: https://github.com/lervag/vimtex
 " vim: et ts=2 sts=2 sw=2
 
 scriptencoding utf-8

autoload/airline/extensions/virtualenv.vim

@@ -1,4 +1,5 @@
 " MIT License. Copyright (c) 2013-2019 Bailey Ling et al.
+" Plugin: https://github.com/jmcantrell/vim-virtualenv
 " vim: et ts=2 sts=2 sw=2
 
 scriptencoding utf-8

autoload/airline/extensions/vista.vim

@@ -1,4 +1,5 @@
 " MIT License. Copyright (c) 2019 s1341 (github@shmarya.net)
+" Plugin: https://github.com/liuchngxu/vista.vim
 " vim: et ts=2 sts=2 sw=2
 
 scriptencoding utf-8

autoload/airline/extensions/windowswap.vim

@@ -1,4 +1,5 @@
 " MIT License. Copyright (c) 2013-2019 Bailey Ling et al.
+" Plugin: https://github.com/wesQ3/vim-windowswap
 " vim: et ts=2 sts=2 sw=2
 
 scriptencoding utf-8

doc/airline.txt

@@ -6,6 +6,7 @@
             \ V /| | | | | | |_____| (_| | | |  | | | | | |  __/            ~
              \_/ |_|_| |_| |_|      \__,_|_|_|  |_|_|_| |_|\___|            ~
                                                                            ~
+Version: 0.11
 =============================================================================
 CONTENTS                                                  *airline-contents*
 
@@ -570,6 +571,11 @@ coc <https://github.com/neoclide/coc.nvim>
 * change warning format: >
   let airline#extensions#coc#stl_format_warn = '%W{[%w(#%fw)]}'
 
+-------------------------------------                    *airline-commandt*
+command-t <https://github.com/wincent/command-t>
+
+No configuration available.
+
 -------------------------------------                          *airline-csv*
 csv.vim <https://github.com/chrisbra/csv.vim>
 
@@ -664,6 +670,11 @@ you can use.
   Try setting this to zero, if you notice bleeding color artifacts >
   let airline#extensions#default#section_use_groupitems = 1
 <
+-------------------------------------                      *airline-denite*
+Denite <https://github.com/Shougo/denite.nvim>
+
+No configuration available.
+
 -------------------------------------                        *airline-eclim*
 eclim <https://eclim.org>
 
@@ -1149,6 +1160,21 @@ tmuxline <https://github.com/edkolev/tmuxline.vim>
   airline#extensions#tmuxline#snapshot_file =
    \  "~/.tmux-statusline-colors.conf"
 <
+-------------------------------------                     *airline-undotree*
+Undotree <https://github.com/mbbill/undotree>
+
+No configuration available.
+
+-------------------------------------                     *airline-unicode*
+Unicode <https://github.com/chrisbra/unicode.vim>
+
+No configuration available.
+
+-------------------------------------                     *airline-unite*
+Unite <https://github.com/Shougo/unite.vim>
+
+No configuration available.
+
 -------------------------------------                     *airline-vimagit*
 vimagit <https://github.com/jreybert/vimagit>