mongo: allow to pass full urls; fix #526
mongo: allow to pass full urls; fix #526

barakmich/cayley,kortschak/cayley,kortschak/cayley,pombredanne/cayley,kortschak/cayley,barakmich/cayley,h4ck3rm1k3/cayley,pombredanne/cayley,cayleygraph/cayley,barakmich/cayley,pombredanne/cayley,deskr/cayley,deskr/cayley,deskr/cayley,pombredanne/cayley,barakmich/cayley,h4ck3rm1k3/cayley,deskr/cayley,barakmich/cayley,kortschak/cayley,cayleygraph/cayley,h4ck3rm1k3/cayley,h4ck3rm1k3/cayley,deskr/cayley,h4ck3rm1k3/cayley,kortschak/cayley