Moveable Objects

Only objects added during the editing phase are moveable.
More platforms in toolbox and hard coded limit

The sizes of the platforms in the toolbox are based on Platform
Discussion thread(#29) you can only add 3 platforms per level.
Ctrl + Left Click to remove added platform
Merge remote-tracking branch 'origin/master' into brian-editor

Conflicts:
	PuzzlePathDimension/Menus/GameEditorScreen.cs
Removed Git stuff
Collision detection during editing

Makes sure simulator cannot launch when a platform and deathtrap
intersect. Not accurate though.
Changed ways to exit Toolbox

When you can't add more platforms clicking anywhere will exit the
toolbox. Pressing back also lets you exit.
Merge branch 'master' into brian-editor
Re-enable sounds.