Merge pull request #397 from gavincornwell/master

MOBILE-2979 & MOBILE-2992
MOBILE-3023: "tasks.cell.taskcompleted" string format mismatch in localizations
MOBILE-3021: New translations required for iOS 2.0.2
Merge pull request #398 from mikeh/master

MOBILE-3023. MOBILE-3021
MOBILE-2995: Fix NSInvalidArgumentException in + [AlfrescoErrors assertArgumentNotNil:argumentName:]
Merge branch 'master' of https://github.com/Alfresco/alfresco-ios-app
MOBILE-3025: The “saveback.failed.title” and “saveback.failed.message” key is used twice.