Created FAQ/Troubleshooting (markdown)

FAQ-Troubleshooting.md

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+### The powerline font symbols are not showing up
+
+The older deprecated [vim-powerline][a] uses different font codes; ensure you are using v2 fonts.
+
+### There is a pause when leaving insert mode
+
+You need to set `ttimeoutlen` to a low number; 50 is recommended.
+
+### You don't see any colors
+
+All of the themes use a 256 terminal color palette.  It's likely that the value of `t_Co` is misconfigured.  please see this [article][n] on how to configure your terminal.  Pull requests for 8 and 16 color terminals are welcome.
+
+### You get the error `Unknown function: fugitive#head`
+
+You are probably using version 1.2, which is very old...download v2 from the [project page][d].
+
+### vim-airline doesn't appear until i create a new split
+
+Add `set laststatus=2` to your vimrc.
+
+### vim-bufferline is printing to the statusline as well as the command bar
+
+You can disable automatic echoing by adding `let g:bufferline_echo = 0` to your vimrc.
+
+### The statusline wraps
+
+You are probably using iTerm with double-width characters enabled. Either disable this, or `set ambiwidth=double` in your vimrc.
+
+### How do i get rid of the default mode indicator?
+
+Add `set noshowmode` to your vimrc.
+
+
+
+
+[d]: https://github.com/tpope/vim-fugitive
+[n]: http://vim.wikia.com/wiki/256_colors_in_vim