ObjXMPP  Tags and Properties

Tags and Properties for Check-in e6237b123a

Context
2012-02-06
15:17
Implement roster versioning.
Still needs some testing.
check-in: e6237b123a user: js tags: trunk
2011-02-08
19:45
Initial commit. check-in: acb2c5cbf0 user: js tags: trunk