LIB: Added state_selected in default card_selector
DEMO: Added an example with a card and a contextual action mode
Small typo
DEMO: added an example with header with button on the left. Updated doc
LIB: First release of CardArrayMultiChoice
DEMO: First demo multichoice
LIB: CardArrayMultichoice
LIB: Added a feature to change bitmap before it is attached to the ImageView
DEMO: Example with circular and rounded images
Updated doc
Fix
Updated build doc
Fixed #51
card_main_simple_title_margin_left was ignored in API>=16
LIB: Added default constructors with Cursor in CardCursorAdapter and CardGridCursorAdapter
LIB: CardArrayMultiChoiceAdapter
Updated doc
allow to add thumbnails from custom source
show off custom source thumbnail in demo app
Merge pull request #52 from ramdroid/pr_bitmapworkercustom

Thumbnail card with custom source
Merge branch 'dev' of https://github.com/gabrielemariotti/cardslib into dev