Merge branch 'develop' into refactor_remote_operation_to_read_file

Conflicts:
	oc_framework/src/com/owncloud/android/oc_framework/operations/RemoteFile.java
	oc_framework/src/com/owncloud/android/oc_framework/operations/RemoteOperationResult.java
	oc_framework/src/com/owncloud/android/oc_framework/utils/FileUtils.java
	src/com/owncloud/android/operations/SynchronizeFolderOperation.java