Fix tweening of same properties by different entities

use tabs instead of spaces

add tests for Tween

change header

move tween test to tween.html

use tabs instead of spaces

add tests for Tween

change header
Merge branch 'develop' of https://github.com/Dandandan/Crafty into develop
 tweening of same properties by different entities

use tabs instead of spaces

add tests for Tween

change header

move tween test to tween.html

use tabs instead of spaces

add tests for Tween

change header

move tween test to tween.html

Conflicts:
	tests/tween.html