Clean up manage.py
Clean up manage.py

Removed a duplicate import and re-used the app instance for the script manager.
wenxer/fbone,team294/surfmanage,wenxer/fbone,cuttlesoft/manekineko,imwilsonxu/fbone,frankV/manekineko,team294/surfmanage,ludusrusso/fbone,jessekl/flixr,jessekl/flixr,jphire/flask-blog,smypf/nice,ludusrusso/fbone,jessekl/flixr,wpic/flask-appointment-calendar,eamonnbell/tep-home,cuttlesoft/manekineko,eamonnbell/tep-home,wenxer/fbone,imwilsonxu/fbone,frankV/manekineko,wpic/flask-appointment-calendar,jessekl/flixr,smypf/nice,frankV/manekineko,jessekl/flixr,cjmabry/PoliChart,jphire/flask-blog,imwilsonxu/fbone,cuttlesoft/manekineko,ludusrusso/fbone,cjmabry/PoliChart,eamonnbell/tep-home,cjmabry/PoliChart