[#25] Fixing drag/drop issues with battery where game object grid was not properly updated when dragging battery off of a tile
Removing styles that never get used
Refactoring method for placing copied version of game object onto grid
[#27] Duplicating current enemy bot icon to make icons for all 4 bot types
[#27] Adding unique backgrounds for each enemy bot type
[#27] Fixing styling, drag/drop bugs
[#27] Fixing inter-tile drag/drop
[#21] Fixing issue where game object icons were not removed when 'clear grid' button was pressed
[#23]Resetting goal, start count when clearing grid; changing logic for checking if goal, start tile counts have reached maximum to be less confusing
[#28] Fixing issue where trying to add additional start tiles would set clicked tile id to that of start tile
Fixing issue where goal, start tile limit reached message was no longer displayed
[#22] Fixing bug that caused tiles that had game object dragged over it to be cleared (but lost ability to click and drag to set type of multiple tiles quickly)
[#9] Updating tile creation keyboard shortcuts; fixing references to RAISED tiles to OBSTACLE tile
[#29] Adjusting positioning of elements to allow for 18x18 grid
[#29] Restyling valid editing error to show where the center 12x12 grid is
Merge branch 'master' of github.com:recardona/BitBot