Fixe unit test and samples
HUB-45 : update subscription to channels
HUB-45 : update unit test to add quickfilter
HUB-44 : update hUnsubscribe
HUB-52 : Add filter in payload with hGetLastMessages, hGetThread, hRelevantMessage
HUB-45 : update unit test for hSubscribe
Merge pull request #2 from boiving/master

hCommand update