Alpha 1.5.3 Changes

Alpha 1.5.3 is now available. This update is focused on improving the level editor. Any feedback, bug reports, etc. can be posted in the discussion boards.
Alpha 1.5.3 Changes
- added level editor bake reflections button
- added level editor reflection baking (on play)
- added level editor navigation baking (on play)
- added level editor play button icon toggle
- added level editor add new shape button
- added level editor tooltips
- added level editor snap angle button
- added level editor snap distance button
- added level editor undo button
- updated level editor toolbar layout
- updated level editor boundary shader
- updated level editor default ground size
- updated level editor to spawn melon while playing
- updated main menu level editor button
- fixed level editor play respawn bug
- fixed level editor tooltip position bug
- fixed player moving faster diagonally bug