Changed color numbers to color strings

Not sure why I didn't do this in the first place.
Closes #31
Fixed SpriteMorph variables

Clarified the create variable options for global/local.
Fixed a glitch causing local variables to totally fail.

Closes #36
Fixed editing costumes

Closes #14
Added documentation for changesToObjects.js
Added documentation to cellular
AR-Drone stuff
Safari fix
Merge branch 'master' into gh-pages