Refactor packages to org.openrepose.commons(.utils)

Conflicts:
	repose-aggregator/components/filters/client-auth/src/main/java/org/openrepose/filters/clientauth/clientauth/ClientAuthenticationHandlerFactory.java
	repose-aggregator/components/filters/client-auth/src/main/java/org/openrepose/filters/clientauth/clientauth/atomfeed/sax/SaxAuthFeedReader.java
	repose-aggregator/components/filters/client-auth/src/main/java/org/openrepose/filters/clientauth/clientauth/openstack/v1_0/OpenStackAuthenticationHandler.java
	repose-aggregator/components/filters/client-auth/src/main/java/org/openrepose/filters/clientauth/clientauth/openstack/v1_0/OpenStackAuthenticationHandlerFactory.java
	repose-aggregator/components/filters/client-auth/src/test/java/org/openrepose/filters/clientauth/clientauth/atomfeed/sax/SaxAuthFeedReaderTest.java
	repose-aggregator/components/filters/client-auth/src/test/java/org/openrepose/filters/clientauth/clientauth/openstack/v1_0/OpenStackAuthenticationHandlerTest.java