Merge pull request #402 from mikeh/master

MOBILE-3040
MOBILE-3054: Full screen preview of local file "opened in Alfresco" can hang the app.
Merge branch 'master' of https://github.com/Alfresco/alfresco-ios-app
Merge pull request #403 from gavincornwell/master

MOBILE-3054: Full screen preview of local file "opened in Alfresco" can hang the app
MOBILE-3056: [iOS 8]: Toolbar create "+" button actions fail on iPad devices
MOBILE-3057: The activities show in app has a different date calculation to activities shown in share