view logs in UX

src/js/services/historicLog.js

@@ -0,0 +1,19 @@
+'use strict';
+var logs = [];
+angular.module('copayApp.services')
+  .factory('historicLog', function historicLog() {
+    var root = {};
+
+    root.add = function(level, msg) {
+      logs.push({
+        level: level,
+        msg: msg,
+      });
+    };
+
+    root.get = function() {
+      return logs;
+    };
+
+    return root;
+  });