Updates to Servlet synchronous abstraction.

git-svn-id: https://svn.forgerock.org/openig/branches/http-framework@617 dbb9e58e-28e6-4ce0-90e8-f11d9605b710
Add Handlers#chain tests, destroys Heap on shutdown

git-svn-id: https://svn.forgerock.org/openig/branches/http-framework@618 dbb9e58e-28e6-4ce0-90e8-f11d9605b710
Fix default OpenIG configuration.

git-svn-id: https://svn.forgerock.org/openig/branches/http-framework@619 dbb9e58e-28e6-4ce0-90e8-f11d9605b710