Revert "SVY-7289 upgrade from ng-grid 2.x to ui-grid 3.0"

This reverts commit 7f67879affc0e44634a70be4cd6e61a45ad97640.
SVY-7289 upgrade from ng-grid 2.x to ui-grid 3.0

move servoy css to the generator so that it always will be the last (so
we can override styles)
SVY-7289 upgrade from ng-grid 2.x to ui-grid 3.0

implement IRecordAwareType and return true if it has tags
Switch the code to set the viewport size before queueOperation is called
so that the correct RowUdate data is generated
SVY-7289 upgrade from ng-grid 2.x to ui-grid 3.0

patched ui-grid https://github.com/Servoy/ng-grid/tree/servoy

made 3 pull requests