Merge pull request #1 from Anbcorp/dev

Working demo
Merge pull request #2 from Anbcorp/dev

Adds scrolling and level size as a resource
Merge pull request #3 from Anbcorp/dev

Support for level and hero tiles
Merge branch 'dev'
New way of computing walk speed

And some assets for enemies
Color change tests
Merge branch 'dev' of github.com:Anbcorp/minigame into dev