Downgrade from Servlet 3.1 API to Servlet 3.0.1 API + JERSEY-1986.

 - added integration tests (servlet 2.5 and servlet 3): check that inflectors in
   programmatically created resources are properly injected.

Change-Id: I84c3cc2b8c3526c7fc447858da95849add523da9
Merge "Downgrade from Servlet 3.1 API to Servlet 3.0.1 API + JERSEY-1986."