HUB-63 Add URN support
HUB-54 add filter field in structure hCommand
HUB-59 update services getLastMessage, getRelevantMessage, getThread, getThreads to fill fitler field in hcommand
fix bug cmd name to case sensitive
add context and replace publisher by login
change all the date formate to timestamp.
remove joda time and add timestamp long in API
update hAPI-PhoneGapPlugin to v0.6
update version v0.6 in pom
update example of phoneGap
update example phonegap
correction after review
correction after review for phoneGap android
fix unsubscribe : params:{"channel":urn}
fix setfilter: urn format
change version number to v0.6
Merge pull request #1 from sunchenliang/master

update to v0.6