Merge pull request #1 from tipott/feature/vagrant-proxyconf

Use vagrant-proxyconf plugin to handle HTTP environment proxies
minor typo
Added mysql running percona xtradb galera cluster
Note about proxy being all or nothing
Merge pull request #2 from mon/feature/mysql

I talked with Cindy and 'vagrant up mysql' worked
Added mysql running percona xtradb galera cluster
Initial persister support.

This is untested and is missing the needed data bag for the persister.
Added a simple technique to pre load the mysql schema, fixed bind address.
Working persister added to mini-mon
Merge pull request #3 from mon/feature/persister

Feature/persister
Update README.md
Update README.md
Update README.md
Added ip for persister to the readme
Update README.md
Clarified the proxy section

The vagrant proxy plugin will set the proxy within the vms and for apt affects all repos.
At this point all packages are from the HPCloud apt repos and so setting an apt proxy breaks things.
Minor cleanup
Initial test config for mon-agent
Added a note on how to update a vm
Added the Mon Api box
_ not -