Merge pull request #48 from boiving/master

Update version number
HUB-185 : removed unnecessary methods
Catch undefined callback
HUB-318 : Catch undefined callback
Merge pull request #49 from RMani/master

Removed hChannel method
Merge remote-tracking branch 'upstream/master'
HUB-280 : Update docs to add details about starting mongoDB
HUB-281 : Add feedback when you launch the sample