update repository url to new github location
Merge pull request #434 from btriller/new-repository-url

update repository url to new github location
update some libraries with binary compatible versions
replace old captcha libs with little less old libs
Ant Build broken (ERJar Lib Versions)
Merge pull request #436 from swklein/integration

Ant Build broken (ERJar Lib Versions)
small build-doc update
update maven dependency for ERJGroupsSynchronizer

As stated by Peter Vandoros on Wonder-disc mailinglist, ERJGroupsSynchronizer
needs JGroups 2.6 to work. So set the version in pom.xml to the library version
used in ERJGroupsSynchronizer framework.
Fix the dependency declaration for the new version of jgroups

Update the artifactId declaration with the correct name for this version. The version available in the central repository has a .GA suffix which is added by this commit too. Finally, a small fix for transitive dependencies of jgroups is removed as soon as it's not required anymore.
Merge branch 'wocommunity_integration' into integration