add livereload option to watched SCSS files
match CSS code styleguide
Merge pull request #18 from teaDesign/auth

Added HTTP interceptors in both Angular and Node and making use of the Authentication capability in Node
Merge pull request #19 from lightergrey/livereload

add livereload option to watched SCSS files
Merge pull request #20 from lightergrey/code-styleguide-css

match CSS code styleguide
Hiding the navigation links when a user is not logged in, adding in the username to the navigation bar when logged in, and some small refactors