Add sprites for weld sparks (currently shelved).
Aggressive Refactoring: ConstructionSystem cleanup.
Prepare to replace api with artemis-odb-contrib.
Disable android and ois aspects of gradle; nightmarish slow malfunctionfest!
Remove more dependencies now covered by artemis-odb-contrib.
Make bar render system deferred.
Make LabelRenderSystem to deferred.
Aggressive Refactoring: Migrate towards artemis-odb-contrib and deferred rendering.
Bump v3.