Initial cut at composer extension.
Upgraded build pack utils to #dfc3d88.
Upgraded build pack utils to #047d28d.
Added test for composer extension.
Lots of updates to the composer extension.
Changed test to account for difference in installation command.
Added ignore for trusty binaries.
Upgraded to Nginx 1.7.2, PHP 5.4.30 and PHP 5.5.14.
Removed old version of PHP (5.4.26, 5.4.27, 5.5.10 and 5.5.11).  Removed old version of NewRelic, 4.5.5.38
Added NewRelic 4.9.0.54 placeholder.
Upgraded binaries lists for lucid, precise and trusty.
Added Nginx 1.7.3.
Removed Nginx 1.7.0.
Updated index files with binary changes.
Changed DOWNLOAD_URL to point to server inside PWS.  Should make deployments quicker to PWS.
Upgrade to HTTPD 2.4.10.
Updated indexes to contain HTTPD 2.4.10.
Upgraded to NewRelic 4.10.1.62
Upgraded to NewRelic 4.10.1.62.  Removed older versions from indexes.
Added link to another example.