fix hardcoded pidfile path in debian init script
Use `service` instead of running script explicitly

Avoids any sort of environment settings from polluting the service.

See http://askubuntu.com/a/47664 for details.
Add required keys to postgresql stanza in plugin-agent test

Undocumented, but these four keys are required for a postgresql stanza
add contributors to readme
Merge pull request #18 from chr4-cookbooks/install-dependencies-when-needed

Install dependencies when needed
Add additional attributes to define config & log paths in one place

DRY it up
Clean up README (typos, grammar, markup)

* Markup more code or code-like things w/ backticks
* Proper capitalization for "GitHub"
* Typo in "Contributing" section
Add Gemfile to support install of necessary components

Working Gemfile configuration for berkshelf + test-kitchen + vagrant
Add PHP Agent installation & configuration

Add recipe & templates for installation & configuration of New Relic's
PHP Agent. The `newrelic.ini` is the latest from the `newrelic-php5`
package installation.

Update README to clarify newly-added attributes & recipes.

Add tests for said PHP Agent recipe.

Update metadata to reflect new dependencies for PHP Agent install,
based on the defaults.

Borrows heavily from escapestudios/chef-newrelic
Update CHANGELOG, bump version to 0.4.0