Query API: minor code review
Query API: fix bug in templateFor() ManyAssociation handling
Some more java 7 changes and minor edits
(JSON)MapEntityStore: remove useless types on state creation

This was mistakenly added when working on indexing.
Query API: minor edits

License headers, java 7 formatting
RDF Indexing: remove dead code
Indexing: Tests Review

Better assertions error messages.
Removed some @Ignores in AbstractQueryTest.
Now each indexing impl. ignores the tests it do not support.
Some more java 7 changes and minor edits done along the way.