Add connection throttling
Refactored Connection::Core::connect()
Reconnect timer is back using "core_connect_timer" (not tested)
Stopping Mojo::IOLoop on 'core:control' Redis error
Add test for connection throttling
Fix test suite to not fail when CONVOS_REDIS_URL is unset.
Merge pull request #227 from Nordaaker/feature/throttling

Add connection throttling