tagging for 0.81-rc2

tagging 0.81 RC

tagging 0.81-beta

 - a snapshot of 0.81 dev with fixes to desktop sharing applet/jar an…

…d standalone swf that will

   work with a 0.8 installation.

 - tagging version 0.8

 - tagging 0.8 release candidate 2

tagging packages for apr 4, 2012

0.8-beta4

Added Settings Module to build.xml

improvement to voip