Bug Fixes:
Bug 625171 - Crash while pasting text with links (Milan Crha)
Bug 610797 - Improve UTF-8 text sanitizing (Milan Crha)
Bug 624315 - Skip spelling update when no content set (Milan Crha)
Translations:
Fran Diéguez (gl)
Matej Urban¿i¿ (sl)
Daniel Nylander (sv)
Aron Xu (zh_CN)
