Add channelID to register reply
Issue #24 - handle empty JSON buffer as "ping"
Merge branch 'master' into register-channelid
Merge pull request #25 from nikhilm/register-channelid

Add channelID to register reply
Do not respond to ack with a ack messageType
Merge pull request #28 from nikhilm/no-ack

Do not respond to ack with a ack messageType
Fix proxy push
disable proxy for now
Merge branch 'master' of github.com:jrconlin/pushgo

Conflicts:
	src/mozilla.org/simplepush/worker.go
Issues #32, #29

- removed UAID requirement for Hello
- Added channelid filter to prevent invalid characters.