started implementing register command (both client & server side), cleaned up dispatcher a bit
Merge branch 'master' of git://github.com/sockethub/sockethub

Conflicts:
	lib/protocols/sockethub/dispatcher.js
Merge branch 'master' of git://github.com/sockethub/sockethub

Conflicts:
	lib/protocols/sockethub/dispatcher.js
updated pub.ping and pub.message to work with promise instead of callback
remoteStorage integration, XMPP platform & XMPP example:
* Implemented Storage (read-only at the moment)
* Implemented minimal xmpp platform
* added example for simple XMPP messaging
Merge pull request #5 from nilclass/master

REGISTER command (and other stuff)