Play radio animation
Merge pull request #52 from virtual-world-framework/branch/animate-radio

Play radio animation
Refactored the clause system so that most of the logic is in the yaml.
Moved the clause logic up into a clause manager, which exists on
the scene.
Moved some of the clauses into the scenario.  This is as much to
test the system as for any good reason, but it's not unreasonable.
convert tabs to spaces.
Added the isBlocklyExecuting clause.
Fix typos
Change "==" to "==="
Merge pull request #47 from virtual-world-framework/branch/refactor-scenario

Refactored the clause system so that most of the logic is in the yaml.
Hides the blockly button and changes visibility on click
Changes the blockly button visible property to false
Fixes a very bad bug
Add translation to main rover blockly 3D UI element
Hides the blockly button
Fix issue where minirover "visible" was stomping on blocklyButton "visible"
Remove blocklyButton initialize function which is no longer necessary
Remove "inventory" child that is no longer needed