Creates the graph object and defines the blocks required
Adds other style of identifying the blockly nodes
Merge pull request #93 from virtual-world-framework/blockly-graph

Blockly graph
Removes the graph and the mini rover
Creates a function for creating the graph and the mini rover
Moving Chris's work into this branch.
Merge pull request #99 from virtual-world-framework/Chris-Sounds

Moving Chris's work into this branch.
Merge pull request #96 from virtual-world-framework/blockly-bugs

Blockly bugs
Forces the user into topDown mode if the graph is selected in blockly
Added buttons and tabs
Redesign RAM bar, drag handle, & new images
Added close button
Constrain the drag area to the screen edges
Merge pull request #97 from virtual-world-framework/redesign-blocky-ui

Redesign blocky ui
Removes the extra blocks from the graphing calculator
Merge pull request #101 from virtual-world-framework/graph-block-limit

Removes the extra blocks from the graphing calculator
Merge pull request #100 from virtual-world-framework/graph-top-down

Forces the user into topDown mode if the graph is selected in blockly
Add a trigger system.  For now it just attempts to play a sound
when the scenario starts (and it fails, because the sound isn't
loaded).
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Merge pull request #95 from virtual-world-framework/triggers

Merge the triggers up so that Adam can start playing with them.