Change build to do a shallow clone of processing submodule.
Change build to do a shallow clone of processing submodule.

tildebyte/processing.py,jdf/processing.py,mashrin/processing.py,Luxapodular/processing.py,Luxapodular/processing.py,mashrin/processing.py,jdf/processing.py,jdf/processing.py,Luxapodular/processing.py,tildebyte/processing.py,mashrin/processing.py,tildebyte/processing.py