Initial port to gobject introspection

Gtk+ version is forced to 2.0, Gtk+ 3.0 support will be added later
Some fixes after testing
Update POTFILES.in
Remove blueman.pot
Merge pull request #28 from stefano-k/master

Remove blueman.pot
Some fixes after testing
Remove autogenerated file
Fix set_search_equal_func call for introspection
Revert "Fix set_search_equal_func call for introspection"

This reverts commit 9a2c7c8abc08a69322fbd633acfa512fbb663fd7.
Fix set_search_equal_func call for introspection
More fixes for introspection
Add transifex configuration file
More fixes for introspection
Update github links to new organization
More fixes for introspection
Fix Gtk menu items with introspection
Update README.md adding info about translations
Update dependencies in README.md
Some fixes
Add --with-gtk argument in configure, enabling GTK3 by default