Adds ability to configure multiple servers
You can now configure and use mutliple servers and deply to any of them by name.
Example below:
    phploy -s staging
Or:
    phploy --server staging

Hope it helps: fixes #1

Signed-off-by: Baki Goxhaj <banago@gmail.com>
Bumpped Version to v1.2 - Configure and use multiple servers

Signed-off-by: Baki Goxhaj <banago@gmail.com>