Modifications to the cache mechanism.

Read the docs and so I'm doing it the way the docs want it to be done.
This is supposedly the right way to get and update the cache.

Now we'll need performance tests to make sure that it's not going to ask
multiple times for the data in the cache...
update timebomb to ignore test
Kicked timebomb
Kicked the timebomb, even though this has been fixed in a later release
Fixed issue where document pool is not cleared between requests.
Added a test for Jorge's fix
Removed unused stuff
[maven-release-plugin] prepare release papi-5.0.4
[maven-release-plugin] prepare for next development iteration
Merge branch '5.0.3-release'

Conflicts:
	repose-aggregator/components/datastores/replicated/pom.xml
	repose-aggregator/components/filters/content-identity-auth-1.1/pom.xml
	repose-aggregator/components/filters/http-logging/pom.xml
	repose-aggregator/external/rs-auth-schemas/pom.xml
	repose-aggregator/services/configuration/api/pom.xml
	repose-aggregator/services/configuration/impl/pom.xml
	repose-aggregator/services/configuration/pom.xml
Merge pull request #1090 from rackerlabs/REP-819

REP-819 Keystone V3 Filter
Removed the explicit accept header in service client post call
Fixed a test