Fix issue with ChannelManagerImpl (unimplemented method)
Merge pull request #26 from lloydwatkin/master

Add unimplemented method
Must remember to 'mvn clean test'!
Merge branch 'master' of github.com:buddycloud/buddycloud-server-java
Clear out some remote channel data on server startup.

Later this can be swapped out for more intelligent behaviour
Use dateformat including milliseconds
Server start up sync. Delete old statemachine files.
Fix datetime parsing
Count node subscriptions for cache checking
Select distinct listeners
Don't send 'too-many-subscriptions' send current subscription instead.
Track node for outgoing get/set stanzas. Use for returning 'result'.
Save remote subscription details properly and send out appropriate notifcations
Handle incoming item update events