Adding serializer tests.
Remove unused code.
Rewrote EntityVersion serializer to use CompositeBuilder and presto, it works!
Add support for Unique Value delete plus complete test for UniqueValueSerializationStrategyImpl.
Complete Unique Value verification work by hooking into the WriteCommit stage to commit unique values with no TTL.
Minor re-organization of new classes and interfaces.
Removed all mentions of authorization_code in the .json file and ApplicationResource. A correct implementation will be re-added at a later date.
Merge pull request #22 from GERey/Auth_Code_Removal

GrantType authorization_code removal
Merge branch 'two-dot-o' of https://github.com/usergrid/usergrid into two-dot-o
Merge branch 'two-dot-o' into unique-properties
Added 500 errors for missing exceptions.
Added a test case trying to verify that 500 is thrown back. (Currently test case does not verify this)
Properties in parent, and switch to GuicyFig 3.2 in collection.
Added warnings for unexpected exceptions in OAUTH implementation.
Changed imports back to only include SC_BAD_REQUEST and SC_OK.
Removed test that was based on previous exception handling.
Merge pull request #25 from GERey/OAuth_Exceptions

O auth exceptions
Use two methods instead of asking caller to pass null to indicate no TTL.
Graph module needs Hystrix too
Minor format and import cleanups.
Merge branch 'two-dot-o' into unique-properties