Added user module (password and gecos functional)
Fixed regression
Added avatar support (system face pictures selection and image browsing)
Added webcam support
Added dep on python-opencv (needed for webcam support in user module)
Align face picture to the left
Added user applet
Merge pull request #2265 from linuxmint/user-config

User config - Part 1
A few fixes for the user applet
Add launcher editor/creator to menu editor.  It will also function as
a launcher creator for the desktop.  This is to replace functionality
lost by the eventual removal of gnome-panel