Split pygobject3 into py2gobject (python2 binding) and py3gobject (python3 binding).
Updated slack-required for these packages:
* ap/gedit: Use python3 and py3gobject.
* ap/totem: Use py2gobject.
* l/caribou: Use py2gobject.
* l/libpeas: Use python3.
* l/py2gobject: Added. Use python2.
* l/py3gobject: Added. Use python3.
* l/pygobject3: Removed.
* README.TXT: Updated.
* ChangeLog.txt: Updated.
Fix wrong URL in the PKG.info files. My mistake :-P
Updated ChangeLog.txt for GNOME 3.8.3.
GNOME 3.8.3 - Updated URL in the .info files (hopefully).
Added gthumb 3.2.2 into extra. Updated README.TXT.
GITHUB is still ERROR, my last commit resetted today. Merge branch 'master' of github.com:w41l/gnome (again).