Upgraded build pack utils.
Increased logging in compile script.
Removed debugging.
Changed HTTPD to lower case.
Reversed order of PHP and WebServer in startup script.
Trying to send php-fpm output to stdout.
Trying again to send php-fpm output to stdout.
Run PHP process in the background.
Reversed changes from the last three commits.
Run tail on php-fpm's log to dump it to stdout.
Fixed up tests to correspond with changes to start.sh
Added asserts for nginx config files.  Added symlink for latest version of config files.
Removed Nginx version 1.5.8.
Updated default configuration for Nginx.
Upgraded build pack utils.
Adjusted php-fpm settings, specifically set listen path to be
environment variable PHP_FPM_LISTEN.  Modified httpd and nginx
extensions to set PHP_FPM_LISTEN. Updated compile test to check
most start.sh script.
Added method rewrite Nginx config files with data from the context.  Added test to validate.  Modified Nginx config files to use the '{..}' format for data that should be rewritten.
Moved rewrite code to build pack utils.  Upgraded build pack utils.
Changed Nginx extension to use the rewrite() method of build pack utils.
Adjusted php-fpm configuration.
Modified php-fpm config to be rewritten.