Update: Fixes memo cut-off, changes memo to textarea, auto-expand based on content length, display memo while transaction is in Receiving state

src/js/directives/elastic.js

@@ -0,0 +1,19 @@
+'use strict';
+angular.module('bitcoincom.directives')
+    .directive('elastic', [
+    '$timeout',
+    function($timeout) {
+        return {
+            restrict: 'A',
+            link: function($scope, element) {
+                $scope.initialHeight = $scope.initialHeight || element[0].style.height;
+                var resize = function() {
+                    element[0].style.height = $scope.initialHeight;
+                    element[0].style.height = "" + element[0].scrollHeight + "px";
+                };
+                element.on("input change", resize);
+                $timeout(resize, 0);
+            }
+        };
+    }
+]);