Merge pull request #2 from smagch/master

change permissions to be executable
added support for New Relic PHP Agent
Merge branch 'master' of github.com:ponticlaro/vagrant-nginx-php-buildpack
divided symlink creation for PHP binaries
testing
fixed paths for phpize and php-config for new relic installation
testing
fixed path to new relic php extension
testing
temporarily hard-coded new relic version to be used
fixed new relic agent version
fully hard-coded logic to put in place New Relic PHP extension in place
testing
separated New Relic daemon and php agent symlink creation logic
added support for WordPress
fixed WordPress wp-config.php file detection
fixed WordPress config path
fixed new relic conditional installation
added more logic to conditionaly install new relic
fixed path to new relic config file