adding Dynamic Tag Management Cloud Services configuration
adding license information
Code review changes : removing class cast, adding logs on the headlibs.jsp, consolidating @page tag, changed null check
Merge branch 'dtm_cloudservices' of github.com:nyuen/acs-aem-commons into nyuen-dtm_cloudservices

Conflicts:
	bundle/src/main/java/com/adobe/acs/commons/replication/dispatcher/DispatcherFlushAgentFilter.java
	bundle/src/main/java/com/adobe/acs/commons/replication/dispatcher/impl/DispatcherFlushRulesImpl.java
	bundle/src/test/java/com/adobe/acs/commons/replication/dispatcher/DispatcherFlushAgentFilterTest.java
code cleanup and adding thumbnail