start porting Gajim to gobject introspection and GTK3
correctly handle SSL errors. Fixes #7252
correctly get SSL certificate from nbxmpp. Fixes #7283
fix config names. Fixes #7276
fix some GTK calls
une GnomeKeyring vi gobject introspections
use gobject introspection to access gconf
use gobject introspection to access gupnp-igd
remove session mnagement broken support
gtkspell is now ok
prevent traceback
more GTK3 fixes
update README
correctly place tooltips
fix features window
missing import
print -> print()
python uses unicode internally
remove call to unicode()
fix exception handling