Create WallResponse.java
Update WallResponse.java

Wall Response for Rich Wall Posts 
Update WallResponse.java
Update WallResponse.java

Wall Response for Rich Wall Posts
Update FriendsterAPIClient.java

WallPost Method added for Rich Wall Posts
Update EndpointIndexBuilder.java

Added Wall Post EndPoint
Update RequestType.java

WALL_RICHPOST Type Added
Update RequestBuilder.java

Case WALL_RICHPOST added
Update EndpointIndexBuilder.java

WALL_RICHPOST endpoint and method
Update SampleClientImplementation.java

Added wall post method and call back
Update WallResponse.java

Wall Post Response Added for Rich Wall Post
Merge pull request #1 from RobertGreene/master

Added WallPost Method for Rich Wall Posts