Merge pull request #26 from Silarn/master

4/3 Update
Merge pull request #27 from Silarn/master

4/4 Update
Added Tutorial variables
Added Tutorial layer (ui/save/load)
Tutorial layer storage increased.
Fixed red tracer when deleting links
Tutorial Messages (basic implementation)
Tutorial toggle
Small updates
Editor:Sorting messages by bot level
Game: Cleaner checking for empty (of obs) tile
Game: Hopefully better handling of bots on lvl transition
Merge pull request #29 from theUPquark/master

Added Tutorial layer. Smaller fixes/changes