Update to use AMQP based on Future (as megam_common was updated and cleaned up)
Merge remote-tracking branch 'ta/master'

Conflicts:
	test/NodesSpec.scala
API doc page will show error/succ msgs in a tabular format. added icons.
Donot change BaseContext. Let it remain as-is. Only change the using specs of BaseContext
Added doc link in left menu, removed transitive dependencies from play's build.scala.
When Riak wakes up from down status, GSRiak fails to connect.Fix change val riak to defs.