Merge pull request #3 from porada/master

Minor packaging changes
add some more helpers to math util
remove redundant test
Starting out some examples - hamburger menu animation
examples instead of example
embed the code
a little wider
add some comments
styling
add favicon
add the scaling example from the rebound project page
layout improvements
more examples
cascade effect
cascade example improvements

- add toggle
- more styling
fix code links
color interpolator and util tests
update README
index.html
ga tracking