adding pnmessage
adding pn message v1 to js
adding comments and reorg
Update pn_message.js
adding beta origin, keys
Merge branch 'gcm' of https://github.com/pubnub/javascript into gcm
Update pn_message.js
added getPubnubMessage method to pnmesage
extract channel, callback , error from pnmessage
pnmessage should take argument
added another example
[fixes #70878506 develop javascript] changed timestamp in fake here now events
[fixes #74274650 gcm javascript ] renaming send to publish in pn message
merging gcm branch to develop branch