make geonode.binary use the available django-admin
Merge branch 'master' of https://github.com/GeoNode/geonode into install-use-geonode

Conflicts:
	package/support/geonode.binary
use the geonode binary in the install script
Merge pull request #1197 from simod/install-use-geonode

make the install script work in both djangi-admin and django-admin.py cases