Add factory_constraint and comments to frontend installation
Add factory_constraint and comments to frontend installation

bbockelm/glideinWMS,holzman/glideinwms-old,bbockelm/glideinWMS,bbockelm/glideinWMS,bbockelm/glideinWMS,holzman/glideinwms-old,holzman/glideinwms-old