Improved error handling
Prevent to save a module with the reference to itself (circular reference).
Changed the way to "cancel abort". Now a HTTP DELETE should be called on the correspondig runtimeparameter.
Update parent version for release
[maven-release-plugin] prepare release SlipStreamServer-2.3.4
[maven-release-plugin] prepare for next development iteration
Update parent version after release
new: add make tasks (goals) to 'stop-db' and 'list' available tasks
Improved logging levels.
Update pom.xml

Fixed a bug with findbugs version.
Removed autocreation of the users test and sixsq.
Merge branch 'master' of github.com:slipstream/SlipStreamServer
Added OpenSource connectors as dependencies of the war.
Fixed a bug where the ownership of a module is change when a user edit and save it.
See #208.
Minor bugfix.
Update parent version for release
[maven-release-plugin] prepare release SlipStreamServer-2.3.5
[maven-release-plugin] prepare for next development iteration
Update parent version after release
new: add install hint in Makefile if hsqldb tools are not found