keyIsDown function
#426 fix
Merge pull request #427 from lizstarin/master

issue #426 fix
merge fix closes #426
adding processing.py to header
removing console.log from style() method
Merge pull request #431 from shiffman/master

removing console.log from style() method
document that loadImage callback is optional
Merge pull request #432 from jedahan/master

document that loadImage callback is optional
Merge branch 'master' of github.com:lmccart/p5.js
copy-pasted example for image()
add callback example for image()
Merge pull request #433 from jedahan/image-example

Image example
Merge branch 'master' of github.com:lmccart/p5.js
fixing line lenght
adding example to loadImage
make x,y coordinate optional for image()
simplify code for defaults
fix linting
recompile libs