merged 0.5.0 release, closes #51
* 0.5.0-RC:
[maven-release-plugin] prepare for next development iteration
[maven-release-plugin] prepare release 0.5.0
Revert "[maven-release-plugin] prepare release 0.5.0"
Revert "[maven-release-plugin] prepare for next development iteration"
[maven-release-plugin] prepare for next development iteration
[maven-release-plugin] prepare release 0.5.0
updated release notes towards 0.5.0
updated examples' dependency
COMMONSRDF-68: initially populated changes.xml for 0.5.0
reverted 0.5.0 RC1
[maven-release-plugin] prepare for next development iteration
[maven-release-plugin] prepare release 0.5.0
updated release notes
updated all documentation to point to the upcoming 0.5.0 release
