Fix UmpleOnline example CollisionAvoidanceA1.ump
Fix UmpleOnline example CollisionAvoidanceA1.ump

* Rename attribute and use Umple generated API calls

umple/umple,runqingz/umple,ahmedvc/umple,umple/umple,umple/umple,ahmedvc/umple,ahmedvc/umple,runqingz/umple,umple/umple,umple/umple,ahmedvc/umple,runqingz/umple,ahmedvc/umple,runqingz/umple,runqingz/umple,umple/umple,umple/umple,ahmedvc/umple,ahmedvc/umple,umple/umple,runqingz/umple,runqingz/umple