Add createDecorator module:
Set x,y position to decorator image
Add decorator image to group
Make createing gameScene to assign group to createDecorator
rename createDecorator.evaluate() to createAndInsertToGroup()
Add module 'createDecoratorsFromConfig'
Refactor to use for in createDecoratorsFromConfig
Refactor to use for in createDecoratorsFromConfig
Fix createDecorator module from hardcoding to configurable
Rename mispell 'lawmower.png' to 'lawnmower.png'