Add ":file" to the list of supported sources
Add ":file" to the list of supported sources

Signed-off-by: Mikhail Zholobov <03bcc6525cbedbeb1a594ab158ed56fa91e0e8db@gmail.com>

chef/omnibus,rapid7/omnibus,chef/omnibus,rapid7/omnibus,Altiscale/omnibus,rapid7/omnibus,chef/omnibus,Altiscale/omnibus,Altiscale/omnibus