Prepared for switch to purecss framework
Something weird happened with this commit, but here were the changes:

updated file structure for scss files
fonts:
  included the light styles for Roboto
  still need to work out kinks with font-awesome
added class functionality for $html->link()
styles:
  cleaned up and split navbar
  reworked layout for register and login
  added some transitions to login
  removed the responsive menu layout JS
updated file structure for scss files
fonts:
  included the light styles for Roboto
  still need to work out kinks with font-awesome
added class functionality for $html->link()
styles:
  cleaned up and split navbar
  reworked layout for register and login
  added some transitions to login
  removed the responsive menu layout JS