Import Crux Metacity theme and rename it to Quid

Also update the Quid desktop to use from now on.
Don't use localedir + small gettext cleanup
Include autogen.sh in tarball
Sync translations with transifex
* Import Crux Metacity theme and rename it to Quid
Revert "* Import Crux Metacity theme and rename it to Quid"

This reverts commit 9564b85e3ff3cfc9f2599898b80d9bca327be7af.
update News