Changes

|https://github.com/jsiu3/gladius/commit/87c66cf0404594c4fac8dc201b58b1d5da200d90, https://github.com/jsiu3/processing-js/commit/87a31c686ffffb08a17c49161c1fdc162ea1b7d3|Separated perlin and simplex seeding, so they don't affect each other anymore. Tested perlin and simplex 3D. Created demos for perlin and simplex 3D. Responded to the review for the RAF code.|http://withs.tumblr.com/post/14345159226/split-the-seeding-of-perlin-and-simplex, http://withs.tumblr.com/post/14440598719/requestanimationframe-review