Merge pull request #498 from swatisingh10/CommunityServiceChanges

fixed broken samples
ActivityStream refactoring : Moving packages of certain classes,
updating samples and other consumers
Merge pull request #499 from ManishKataria/ActivityStreamRefactoring

ActivityStream refactoring : Moving packages of certain classes,
Activity Stream : making apis consistent with JS
ActivityStreamService : adding missing methods
Merge pull request #500 from ManishKataria/AS_Consistency

As consistency
Making JS and Java API consistand with each other. These are JS specific
changes.
Merge pull request #501 from RajmeetBal/APIConsistancyActivityStreamsJS

Making JS and Java API consistand with each other. These are JS specific
CS inconsistency work for java