* When all data input and outputs are removed, the ioSpecification should be removed as well
* If an ioSpecification is present, then there shoud be a at least one dataInputset and at least one dataoutputset.
Adding new data object rules that will prevent you from moving a DataObject from one process to a sub-process.
Fixing the Selection of Data Objects to properly use the command stack.
updated spiffworkflow moddle to use "script" rather than "text" - to match up with bpmn.io's script task.
Added some ability to change what a DataObjectReference, references. But more work needed here.
Fixed a bug in the script task that prevented you from writing text in that script object.
Elizabeth Esswein
burnettk
Dan