Fix for overhead camera pan
Merge pull request #226 from virtual-world-framework/fixes-for-production

Fix for overhead camera pan
Add current block execution to the hud
Add wrapper func to handle blockFired event
Add placeholder blockly images and keep pushlist of blocks that are executing
Remove blockly tracing test code in rover
Rename block execution method/event for clarity
Attempt to fix getting stuck in the blockly status draw loop
Attempt to fix displaying blocks out of order in status