added client decommissioner logic and resolved dependencies
Merge branch 'B-51783_connection-pooling' of github.com:rackerlabs/repose into B-51783_connection-pooling

Conflicts:
	project-set/core/core-lib/pom.xml
	project-set/core/core-lib/src/main/java/com/rackspace/papi/service/context/impl/HttpConnectionPoolServiceContext.java
	project-set/core/core-lib/src/main/java/com/rackspace/papi/service/proxy/httpcomponent/RequestProxyServiceImpl.java
	project-set/services/httpclient/impl/src/main/java/com/rackspace/papi/service/httpclient/impl/HttpConnectionPoolServiceImpl.java
	project-set/services/httpclient/impl/src/test/groovy/com/rackspace/papi/service/httpclient/impl/HttpConnectionPoolProviderTest.groovy
	project-set/services/httpclient/impl/src/test/java/httpconnectionpool/HttpConnectionPoolServiceImplTest.groovy