A little HelloWorld for OGo

TODO: improve

Installation

You need a OGo source installation. just type 'make debug=yes install'
to make it visible in your webui, go to preferences=>display. there 
should be a HelloWorld under the hr. Add it to the Dock and click
save. After that there should be another news-icon on the left.
Click on it and you should see the page generated by the component
HelloWorld.[m/wo] in this bundle.