split-up Data query and rendering
Fix renderer, add unit test for rendering in core-map
Throw an exception instead of a npe if neither datasource or rs provider is given
Drop cancel listener in rs factory
Add new implementation of cached result set
First try, quite slow as fetch size is 1 row
Optimisation renderer data is ok, it works
Merge irstv/master into feature/mapcontrol_cache
Delete unused code
Javadoc
Merge pull request #701 from ebocher/feature/mapcontrol_cache

Improve rendering time

* Split-up data query and rendering
* Add new implementation of cached result set (cache time 60 seconds)
* Optimize renderer