Removed processing.app.Platform static methods. Fix #371
Removed processing.app.Platform static methods. Fix #371

addLibrary was relying on static methods from processing.app.Platform.
Those methods are part of the PDE and weren't available to exported
sketches. Replaced with local variables.
tildebyte/processing.py,jdf/processing.py,tildebyte/processing.py,jdf/processing.py,jdf/processing.py,tildebyte/processing.py