Now, deployment configuration of multiple servers can be added in the config.

While deployment, we can specify which server should be deployed.
Merge branch 'master' of git://github.com/saneef/wp-portkey into saneef-master

* 'master' of git://github.com/saneef/wp-portkey:
  Now, deployment configuration of multiple servers can be added in the config.
Merge branch 'saneef-master' into dev

* saneef-master:
  Now, deployment configuration of multiple servers can be added in the config.
Multi-server update.