Update run_list for standard VM

- PostgreSQL recipe name has changed
- MySQL client recipe is included by server recipe
- No more needed to override PostgreSQL max_connections attribute
- No need to override MySQL server_root_password attribute
New names for Maven cookbook and Redis recipe

Related to:
- travis-ci/travis-cookbooks#229
- travis-ci/travis-cookbooks#211
Merge pull request #4 from gildegoma/update-recipes-and-attributes

Update run_list for standard VM