Unity Greeter

Merge proposals dependent on lp:~aacid/unity-greeter/do_not_use_rls_cache_on_error_retry

  1. do_not_use_rls_cache_on_error_retry
  2. Dependent merge proposals

lp:~aacid/unity-greeter/do_not_use_rls_cache_on_error_retry has no merge proposals.