Get camera following rover in first person (height and rotation) and refactor
Merge pull request #76 from virtual-world-framework/refactor-camera

Get camera following rover in first person (height and rotation) and refactor
Updates several toolbox definitions to test toggling
Adds the toolbox definition for easier testing
Refactors all of the properties of the blockly/manager
Merge pull request #80 from virtual-world-framework/blockly-refactor

Blockly refactor
Merge pull request #78 from virtual-world-framework/blockly-toolbox

Blockly toolbox
Add controller to load and display intro screens
Add loop through intro screen directory to find images
Center intro screen and click to advance
Add previous slides for intro screen
Add placeholder images and center screens
Move intro variables into single object
Merge pull request #79 from virtual-world-framework/intro-screen

Introduction screens
Allow camera to have more than two points of view and allow it change its target
Make camera change visibility of target node when switching to/from first person
Have camera follow the movement of its "target"

This commit moves the "following" functionality from the player node into the camera node
Fix issue where every movement of the camera was being done over 1 sec interval
Switch events.flush to events.remove to ensure we only remove the right handler
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