Add flickr in img-csp.
Add flickr in img-csp.

flamingspaz/remo,Mte90/remo,akatsoulas/remo,Mte90/remo,akatsoulas/remo,tsmrachel/remo,mozilla/remo,flamingspaz/remo,tsmrachel/remo,mozilla/remo,akatsoulas/remo,akatsoulas/remo,mozilla/remo,flamingspaz/remo,Mte90/remo,tsmrachel/remo,flamingspaz/remo,tsmrachel/remo,Mte90/remo,mozilla/remo