Fixed: German umlauts in Subject get striped with ruby1.8 (#11065).
Merged r9782, r9784, r9794 from trunk.
Set human size precision to Rails' default which is now 3 (#11118).
Merged r9781 from trunk.
Merged r9785 from trunk.
CHANGELOG update.
Merged r9783 from trunk.
Merged r9786 from trunk.
Force rendering of activity view if activity items count changed.