Fire stopped event on nodes when stopAllExecution is called
Merge pull request #239 from virtual-world-framework/blockly-stop-all-events

Fire stopped event on nodes when stopAllExecution is called
Send the correct string to the subtitle event.
Just fixing the ability to queue sounds.
Defines a method to clear out the blockly workspace
Removes the setting of properties that are set by the BlocklyChanged event
Merge pull request #242 from virtual-world-framework/branch/blockly-clear

Branch/blockly clear
Merge pull request #241 from virtual-world-framework/sound-queue-fix

Just fixing the ability to queue sounds.
Fire the playSubtitle event on sound play instead of init
Merge pull request #244 from virtual-world-framework/branch/play-subtitle

Fire the playSubtitle event on sound play instead of init
Added basic support for graphing planes
 - TODO: Add rotation calculation to planes
Added graphplane component
Made planes scale with graph
Added opacity and fixed draw order
Allow developer to set additional properties when creating lines dynamically
Added graphgroup type
Merge pull request #246 from virtual-world-framework/branch/graphtool-planes

Branch/graphtool planes
Merge pull request #248 from virtual-world-framework/mars-game-staging

Mars game staging
Adds in consistent events (always passing instance handle) for starting and stopping sounds in the sound driver. Adds functionality for hasSubtitle and getSubtitle by passing an instanceHandle.
Fix sound event instance handle soundNames