Adding example snippets for 2D Primatives.
Formatted 2D Primatives examples, added Attributes examples.
Added example snippets for Curves.
Added example snippets for Vertex.js.
Added example snippets for Vertex.js.
Removing references to P3D.
Merge remote-tracking branch 'upstream/master'
Merge branch 'master' into derek

Conflicts:
	docs/yuidoc-p5-theme/assets/js/reference.js
	docs/yuidoc-p5-theme/assets/js/reference.js.map
	lib/p5.js
	lib/p5.min.js
noiseDetail inline example #252
noiseSeed inline example #252
formatting fixes
randomSeed inline example #252
random inline examples #252
randomGaussian inline examples #252
Merge remote-tracking branch 'upstream/master'
fixing up documentation for random
Merge branch 'master' into derek

Conflicts:
	lib/p5.js
more noise and random reference cleanup
Merge pull request #255 from derekkinsman/master

Yuidoc reference examples for Shapes
Merge pull request #254 from shiffman/master

noise and random inline documentation work