Merge pull request #119 from lots0logs/testing

set vbox variable to check while configuring user groups. (caused a fail...
Initialise vbox variable in process.py
Removed .idea files (Dustin, these files are not part of the code)
Undone advanced ui changes. Needs testing
Using GLib.timeout_add instead of the deprecated GObject.timeout_add
Advanced does not work
Added Dustin's mount check labels again, but this time under the main tree view in advanced. Must check if it is ok.
Ignore devices without a mount path
Users can now select the partitions to install grub in advanced installation
New version: Dustin's tags and being able to select grub location in advanced installation.
Using lxterminal instead of sakura (nicer background options). Please, comment if you feel that there're better alternatives or that we should stick with sakura.
Added lxmenu-data (needed to show app menus in openbox)
Removed backup ui file.