SVG sprites, modals, general improvements

app/js/controllers/controller-export.js

@@ -0,0 +1,7 @@
+angular.module('app').controller('ExportController', ['$scope', 'Persist', function ($scope, Persist) {
+  $scope.builds = {
+    builds: Persist.builds
+    // TODO: add comparisons
+  };
+
+}]);