[Ryan] Moved pin generator into lib
[Ryan] Cleaning up CSS for reports page.
[Ryan] Cleaned up CSS of users page.
[Ryan] Cleaning up CSS and wording for classes page.
[Ryan] Cleaned up CSS for schools page.
[Ryan] Added allow_blank to validation of User so we dont show two error messages when its blank
[Ryan] Organized CSS files. Moved external CSS into vendor. Removed unused classes.