Fixed StackOverflow issue and issue with transaction management which
was introduced as test for stack fix.
Improved database cleanup for testing.
Test fixes.
Fixed tests-
Fixed JavaDoc issues and updated dependencies and plugins.
Update Titan to version 0.5.2

Change eXtended Objects to released version 0.4.5
Refactored modules to have a bundle available and to separate tests from implementation.
Added site information.