update results controller to use promises for api call data
add duration custom filter
add range slider controls and flight duration filter
update package files
add initial site styling
add working promise resolution and view binding in results controller
add working promise-based api call to Flights service
update search view
add styles with scss
add images
add and update gruntfile with sass and watch tasks
add click function for drop down select options
add compiled css
add navigation bar and layout
search form styling
include grunt and dependencies
change routing function and click event for submit button
add sass cache
add working show/hide select option interface
update class names for ui script