add the vagrant box in the readme.
Use php-fpm and nginx.
Add the module nginx mod_pagespeed.
Add the repository with the latest version of php.
Remove unused package apache2
Add ssl certificate to lovelycarte.com
Improve the base roles

- the timezone configuration
- the mmonit configuration
- the ssmtp configuration
- the newrelic configuration

All the credentials (login, password) are store in the credential cookbook.
Replace the mysql configuration file

Use the one generated by https://tools.percona.com/wizard
Improve the vagrant configuration file

- The VM is called lovelycarte
- The digital ocean droplet is setup with the backup enabled.
Improve the wordpress cookbook with monit and newrelic
Add information about the credential file