some internal changes to be able to compile the library properly
Merge remote-tracking branch 'upstream/master'
just some testing done which seems to have crapped up formatting (once more, sorry for that)
fixxed backwards compability by replacing cardstack-framelayout
fixxed backwards-compability by replacing cardstack-framelayout (in item_stack.xml) with a framelayout.
*changes had to be done in item_stack.xml and CardStack.java.
*only tested a tiny bit for Android 2.3.4 with mdpi (HTC Bravo)

report with your experiences please :)
Merge pull request #14 from Aeefire/master

fixxed backwards compability to pre-ICS