Merge pull request #532 from jeff1evesque/php_index

#487: index.php, fix references to javascript
#516: Bash 'web', compress javascript
#516: Bash 'web', compress javascript with correct file extension
Merge pull request #533 from jeff1evesque/bash_web

#516: Compress with correct js file extension
#534: change subdirectory 'css/' to 'scss/'
Merge pull request #535 from jeff1evesque/scss

#534: change subdirectory 'css/' to 'scss/'
#399: test/php/index.php, update 'scss' reference