new cap task: copy_remote_site_keys
new cap task: copy_remote_site_keys

Copies the existing config/initializers/site_keys.rb
from the deploy target to the same location in the 
local application.

  cap production db:copy_remote_site_keys
concord-consortium/rigse,concord-consortium/rigse,concord-consortium/rigse,concord-consortium/rigse,concord-consortium/rigse,concord-consortium/rigse