Migrate ServerContext from CREST.

git-svn-id: https://svn.forgerock.org/openig/branches/http-framework@809 dbb9e58e-28e6-4ce0-90e8-f11d9605b710
Migrate UriRouter from CREST

git-svn-id: https://svn.forgerock.org/openig/branches/http-framework@810 dbb9e58e-28e6-4ce0-90e8-f11d9605b710
Extend AbstractUriRouter for Http Uri Routing for Handlers

git-svn-id: https://svn.forgerock.org/openig/branches/http-framework@811 dbb9e58e-28e6-4ce0-90e8-f11d9605b710
Add Servlet specific HttpApplication interface to support serving static resources

git-svn-id: https://svn.forgerock.org/openig/branches/http-framework@812 dbb9e58e-28e6-4ce0-90e8-f11d9605b710