Merge pull request #1 from SHeimlich/master

Added test-groupings to the test folder
Changed paths in test-groupings so the animation will run
Updated assert_color so it can take in a css color name as well as individual rbg values
Updated color test to check all elements
Added the start of a new timing test for timing functions e.g. ease in
Added assert_end_position that finds the correct properties using the a passed in animation.