Update README with new pillar layout from provisioning
Move projects.sls to site.sls for better naming
Use testing repository for Salt as it's better for production

Our prod server blocks git:// at the moment, so bootstrap fails if we try to use it
Start using /tmp for staging rather than a user account

Helps limit the confusion when using `sudo` on production
Add examples for nginx pillar data
We need to use the develop branch for salt for the time being

As of https://github.com/saltstack/salt/commit/d6ccbd38f9f917f01f0b0ddcbd32dc20d0a568e4#diff-29a8d4513061a20d02e36c542ea18e19, the handling of the root MySQL password meets our needs... I think.

This isn't yet available in our stable or testing packages yet for CentOS
Add network pillar data for use during provisioning

The initial revision contains only nameserver information so that we can have different values in production and development
Merge pull request #4 from washingtonstateuniversity/local-fix

[PR] Improvements in provisioning and organization to mirror WSU Web Provisioner changes