re-symlink profiles

resymlink.py

@roles(environment)
def resymlink_profile(old_ver, new_ver):
    with cd("/data/web/express"):
        sites = get_resource("sites", '?where={"type":"express"}')['_items']
        for s in sites:
            with cd("{}/profiles".format(s['path'])):
                if exists("cu_fit"):
                    link = run("readlink cu_fit")
                    version =  link.split("/")[-1]
                    if version == old_ver:
                        run("rm cu_fit; ln -s ./../../../../code/dslm_base/profiles/{} cu_fit".format(new_ver))