Merge pull request #22 from pentaho-nbaker/master

Merge fo 4.8 code
BISERVER-7840 - Cannot add measures and dimensions to the model in Data Source Model window

Refactored data-access to allow for debugging (gwt-dev mode)
Added layout suppression during setElements to avoid redundant updateUI calls that were flooding thousands invalid of drop handlers into the drop controller.
Merge pull request #23 from rfellows/master

BISERVER-7840 - Cannot add measures and dimensions to the model in Data Source Model window
Added a "run" target that launches the stand-alone SwtModelerUI. Useful for testing.