switch to stable/havana for pfs
Merge branch 'crowbar/release/roxy/master' into release/roxy/master
cleared pfs_deps
install missing lesscpy and fix permissions
add ALLOWED_HOSTS in setting
Merge pull request #113 from jpascal/release/roxy/master

fix pfs support
Merge pull request #114 from MirantisDellCrowbar/bug/lesscpy/roxy/master

install missing lesscpy and fix permissions