Updated Greek translation
Clock Applet: port to modern GNOME technologies

This is a big commit that updates the Clock Applet to use modern
libraries. This includes using GSettings instead of GConf, using
GDateTime instead of the equivalents from libc and using the new
API in libgweather.

https://bugzilla.gnome.org/show_bug.cgi?id=677512
Updated POTFILES.in and POTFILES.skip
Updated Greek translation
Updated Spanish translation
Updated Spanish translation
Updated Galician translations
Updated Slovenian translation
release: 3.4.3
release: post-release bump to 3.4.3
revert "release: post-release bump to 3.4.3"
revert "release: 3.4.3"
release: 3.5.3
release: post release version bump
Updated Arabic translation
Assamese translation reviewed
Updated Bulgarian translation
Updated Norwegian bokmål translation
Updated Hebrew translation.
update Punjabi Translation