Remove socket file before listening for reload
make reloader service start on reload
check file exists before removing
Merge pull request #81 from eugeneware/remove_socket_file

Fix for nginx not reloading.
issue #120 add step to clean up all dead instances and none used images
Merge branch 'cleanup' into development

* cleanup:
  issue #120 add step to clean up all dead instances and none used images
  check file exists before removing
  make reloader service start on reload
  Remove socket file before listening for reload