WEB-4621.  :|  ...Just fixing a nil problem in one of the views, but it was I18n'ed incorrectly, and this fixes that. Also made wider use of the #title_canonical method, which handles this problem more elegantly anyway.
WEB-4601 - This should solve a problem where the details tab doesn't really show all available articles in a given language.
WEB-4627 - ERMAGERD! RERTS ERR HERD! this fixes routes when editing/creating a CP agreement.  And... HOLY COW... was it hard to figure out what was going on. I think it was the 'as' route modifier that screwed things up in the end.
WEB-4603 - overview activity cache now expires in four hours to avoid stale modified deltas.
Adding Swedish and Malay to the list of approved languages.  ...We need a better system for this, FWIW.