On import from repository, only update existing translations if different from repository
On import from repository, only update existing translations if different from repository

sudheesh001/pontoon,mathjazz/pontoon,mathjazz/pontoon,Jobava/mirror-pontoon,mathjazz/pontoon,mastizada/pontoon,yfdyh000/pontoon,m8ttyB/pontoon,Osmose/pontoon,vivekanand1101/pontoon,participedia/pontoon,jotes/pontoon,mozilla/pontoon,vivekanand1101/pontoon,sudheesh001/pontoon,Osmose/pontoon,Jobava/mirror-pontoon,yfdyh000/pontoon,mathjazz/pontoon,m8ttyB/pontoon,jotes/pontoon,jotes/pontoon,jotes/pontoon,m8ttyB/pontoon,mozilla/pontoon,yfdyh000/pontoon,m8ttyB/pontoon,vivekanand1101/pontoon,mastizada/pontoon,Osmose/pontoon,mastizada/pontoon,vivekanand1101/pontoon,mozilla/pontoon,Osmose/pontoon,yfdyh000/pontoon,participedia/pontoon,participedia/pontoon,participedia/pontoon,sudheesh001/pontoon,mastizada/pontoon,mozilla/pontoon,Jobava/mirror-pontoon,sudheesh001/pontoon,Jobava/mirror-pontoon,mathjazz/pontoon,mozilla/pontoon