Added German language support for library strings.
Merge pull request #156 from lpradel/dev

Added German language support for library strings.
Demo drag and drop: added a listener to be notified when an item is dropped
Merge branch 'master' of https://github.com/gabrielemariotti/cardslib into dev
LIB: Added a first version of CardExpandableListView (very raw, dont' use it).
Demo: Fixed card layout
LIB: new feature to customize the undo bar message. #171
LIB: Fixed javadoc in UndoBarController
LIB: Fixed typo
LIB: Fixed changelog
LIB: First release of Card with List
Demo: example with card wit list
LIB: Card with List. Added onItemClickListener, dataObserver, empty View
DEMO: Google Now Weather Card
DEMO-EXTRA: Added a demo with weather library and cardwithlist.
remove build top level folder from git
LIB: empty view built-in feature in Card with List
DEMO : updated example with CardandList
DEMO-EXTRA : updated example with CardandList and weather lib
Updated doc for CardWithList
LIB: Added divider to LinearListView #184