Merge branch 'master' into oauth_login

Conflicts:
	AndroidManifest.xml
	res/values-de-rDE/strings.xml
	res/values-de/strings.xml
	res/values/strings.xml
	src/com/owncloud/android/Uploader.java
	src/com/owncloud/android/datamodel/FileDataStorageManager.java
	src/com/owncloud/android/files/OwnCloudFileObserver.java
	src/com/owncloud/android/files/services/FileDownloader.java
	src/com/owncloud/android/files/services/FileUploader.java
	src/com/owncloud/android/operations/RemoteOperationResult.java
	src/com/owncloud/android/syncadapter/FileSyncAdapter.java
	src/com/owncloud/android/ui/activity/AuthenticatorActivity.java
	src/com/owncloud/android/ui/activity/FileDisplayActivity.java
	src/com/owncloud/android/ui/activity/UploadFilesActivity.java
	src/com/owncloud/android/ui/fragment/FileDetailFragment.java
	src/com/owncloud/android/ui/fragment/OCFileListFragment.java