Fix an effects test which was randomly failing
Fix javadocs as julien suggested in last review
Implement animation Easing based on Bezier curves instead of using different algorithm for each one. Includes a set of most popular transitions used in web.
javadoc
javadoc
with should return itself for chainning
new lines and method names
Merge pull request #228 from manolo/master

Use Beizer curves in Easing transitions.