9c0da0240 Merge pull request #21 from sartography/bug/data_objects
6fe36aeb0 Minor fixes.
d21cb75fb Assure we aren't setting the properties on every service task to the same thing.
f28a3f89e Deleting any data object reference caused the associated data object to get deleted. Fixes this so that only if you delete all references, wii the data object be removed. Also assures that a new data object is not created when adding to a participant in a collaboration (an edge case bug(.
git-subtree-dir: bpmn-js-spiffworkflow
git-subtree-split: 9c0da02406ecbc51cfd7fd1ed1f2f311101d9987