Adds fee-summary bar, adds amount directive, adds support for fee-summary overlapping with content on scrollable small screens

src/js/directives/amount.js

@@ -0,0 +1,21 @@
+'use strict';
+angular.module('bitcoincom.directives')
+    .directive('amount', [
+    '$timeout',
+    function($timeout) {
+        return {
+            restrict: 'E',
+            scope: {
+              value: '=',
+              currency: '='
+            },
+            templateUrl: 'views/includes/amount.html',
+            controller: ['$scope', function($scope) {
+                var valueFormatted = parseFloat($scope.value).toFixed(8);
+                $scope.start = valueFormatted.slice(0, -5);
+                $scope.middle = valueFormatted.slice(-5, -2);
+                $scope.end = valueFormatted.substr(valueFormatted.length - 2);
+            }]
+        };
+    }
+]);