Bug 851275 - Show size on disk for newsgroup folders. r=jcranmer
Bug 856432 - Modernize the Newmail alert appearance. r+ui-r=mconley
Bug 374973 - multiweek/month view jumps to another week when (de)selecting 'tasks in view' from context menu. r=philipp
Bug 846540 - Emasculate comm-central/configure.in, part 3: (effectively) eliminate autoconf.mk. r=Standard8, gps

--HG--
extra : rebase_source : ad2e03fab20de30009c4c2c84c4befc7347f7798
Bug 68784 - When sending mail, first check if there is any recipient then any subject. r=mkmelin, sr=standard8
Bug 727434 - Import Calendar.CSV files doesn't work for Lightning calendar add-on. r=Fallen