fixed jshint errors
named and styled buttons
make marker on map draggable and hide others
refactored image-map to have more stateful services
moving marker with start and end buttons
save or discard new location
added list of valid grades
preserving whitespace in comment display
moved create route button to navbar

introduced navBar directive and service
added confirm dialog to archiving
nav-bar directive now transcludes buttons
exporting displayed routes as CSV

using ng-csv
unified route-meta display