* extensions/vnc_view.php,
images/vnc.png: New version of VNC extension, to operate with remote plugin
instead local one. Add a lot of docs about this extension and remote management
with Pandora. Removed old stuff on SSH extension due problems reported.
git-svn-id: https://svn.code.sf.net/p/pandora/code/trunk@4746 c3f86ba8-e40f-0410-aaad-9ba5e7f4b01f
slerena