Added project scaffolding.
Merge pull request #2 from emartinez-usgs/scaffolding

Added project scaffolding.
Added php support to test folder
Adding initial template skeleton and test pages
Moved template files to lib and conf folder
Added php pre-install script
Removing no longer used config.ini.orig
Moved config.inc.php back to lib folder
Updated test include path, and path to included template.inc.php
Added rewrite to grunt, npm package.json, for /template alias
Updated pre-install to create conf directory if it doesn't already exist
removed regex parameter from param(), it may confuse things.
Added navigation functions
Updated search form for search.usa.gov
Updated test navigation to use nav functions, added site url to configuration
Changed test mount for src folder
Added images and initial responsive css
Updated Gruntfile to look for scss in test directory
Updated template css to work as partial, site to include partial and configure via _config.inc.php
Removed default template css file from layout (now in _config.inc.php)