Merge branch 'develop' into loggingtool

Conflicts:
	AndroidManifest.xml
	res/menu/main_menu.xml
	src/com/owncloud/android/datamodel/OCFile.java
	src/com/owncloud/android/files/services/FileDownloader.java
	src/com/owncloud/android/files/services/InstantUploadService.java
	src/com/owncloud/android/operations/SynchronizeFileOperation.java
	src/com/owncloud/android/operations/UploadFileOperation.java
	src/com/owncloud/android/ui/activity/FileDetailActivity.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
	src/eu/alefzero/webdav/ChunkFromFileChannelRequestEntity.java
	src/eu/alefzero/webdav/FileRequestEntity.java
	src/eu/alefzero/webdav/WebdavClient.java