Fix integration tests.

the client integration tests need to be re-written at some point to be self contained and not rely on specific pre-existing state
Writing to string should use the `ObjectMapper` not `toString()` method.
 - Though it's not clear from looking at the source code, it appears that toString does not honor JAXB or Jackson2 annotations as defined in the jackson spec.
Cleanup exception throwing
Merge pull request #3 from GlobalTechnology/jackson-serialize-honor-annotations

(Jackson Serialize) Writing to string should use the `ObjectMapper` not `toString()`.
Create resteasy client module
Buildout first pass at Resteasy Client
Fixing path build that was begun but not finished
Fixes from @frett's review.
 - added class/method javadoc