Branch for Play! 2 migration

git-svn-id: https://subversion.assembla.com/svn/ontoplay/branches/play2@4 aee9c372-37dd-4c14-8de0-c3efb7df3e6b
Initial commit. Got the pizzasample index page and one select box working
Fixed rendering of dynamic templates (from PropertyConditionRender). Object condition is now loading for Individual :D
Translated constrainedValueCondition. Individual "describe with condition now works
PizzaSample ui rendering works. Conversion of result into RDF still pending.
Updated pizza sample to render rdf on updating conditions
added job execution sample.
JobExecution sample completely upgraded.