updated version to 2.0.0 ready for release

1.6.0 release

included patch to release script to include source jars for all class…

…file jars

tagging 1.5.1 release

recreating 1.5.0 tag

creating 1.4.1 tag

correcting docs version

creating 1.3.0 tag

creating 1.2.2.1 tag from 1.2. branch

tagging 1.2.2 from current 1.2 branch