adding running canvas examples
Merge pull request #228 from shiffman/master

fixing a bug that was causing serious performance issues when making new...
example ref code running for draw
Merge branch 'master' of github.com:lmccart/p5.js
adding editable code
spacing
style
updating examples in doc
updating example align
refactor, renaming classes and moving to objects/ folder closes #211
bumping version
including references to this.p5 when making new vectors internally #229