add gitignore file. ignore the following folders/files:
app, node_modules, .DS_Store, .sass-cache
grunt file and package dependencies
custom fonts for the main header and the section headers
angular 1.2.6 and angular routes module
pure css framework v0.3
main html for the spa. this html will serve all views
html template files. 4 main views and the template for the header
main app sass file
main app js file. this file contains the angular module definition as well as all routes, controllers and services
back end login logic. supports login via LDAP, setting/checking session and logout