Added argument support and git versioning support in build_chroot_nightly.sh
Added argument support and git versioning support in build_chroot_nightly.sh

PascalLike/OSGeoLive,astroidex/OSGeoLive,guygriffiths/OSGeoLive,astroidex/OSGeoLive,OSGeo/OSGeoLive,kalxas/OSGeoLive,guygriffiths/OSGeoLive,guygriffiths/OSGeoLive,guygriffiths/OSGeoLive,guygriffiths/OSGeoLive,astroidex/OSGeoLive,OSGeo/OSGeoLive,OSGeo/OSGeoLive,PascalLike/OSGeoLive,PascalLike/OSGeoLive,kalxas/OSGeoLive,astroidex/OSGeoLive,OSGeo/OSGeoLive,kalxas/OSGeoLive,PascalLike/OSGeoLive,kalxas/OSGeoLive,PascalLike/OSGeoLive,OSGeo/OSGeoLive,astroidex/OSGeoLive,guygriffiths/OSGeoLive,kalxas/OSGeoLive,kalxas/OSGeoLive,PascalLike/OSGeoLive,OSGeo/OSGeoLive,astroidex/OSGeoLive,kalxas/OSGeoLive,OSGeo/OSGeoLive,guygriffiths/OSGeoLive,PascalLike/OSGeoLive