[FIX] Changed visibility of Money class to public.
[ADD] Added new Activity for Database testing.
[DELETE] Removed unnecessary xml files.
[FIX] Fix ambiguity between anroid-support jars.
[MODIF] Changed access modifiers to public for store() methods.
[MODIF] Fixed magic error with 'title' attribute has already been
defined.
[ADD] Added database test activity.