fixed boolean return value.
added basic transaction support. fixed DummyContext skel to build.
added date and calendar capability
added latest jar
Merge pull request #46 from pguedes/master

added basic transaction support. fixed DummyContext skel to build.
Merge branch 'master' of https://github.com/satyan/sugar

Conflicts:
	library/src/com/orm/SugarApp.java
	library/src/com/orm/SugarRecord.java