added code, icons and css for sign and verify message

src/js/controllers/signMessageController.js

@@ -0,0 +1,27 @@
+'use strict';
+
+angular.module('copayApp.controllers').controller('signMessageController', function($scope, $interval, profileService, walletService, popupService, lodash, $ionicNavBarDelegate, signVerifyMessageService) {
+
+  $scope.message = {};
+  $scope.message.value = "";
+
+  $scope.$on("$ionicView.beforeEnter", function(event, data) {
+    $scope.walletSelectorTitle = 'Wallets';
+    $scope.wallets = profileService.getWallets();
+    $scope.wallet = $scope.wallets[0];
+    $scope.showWallets = false;
+    $scope.singleWallet = $scope.wallets.length > 1;
+  });
+
+  $scope.showWalletSelector = function() {
+    $scope.showWallets = true;
+  }
+
+  $scope.onWalletSelect = function(wallet) {
+    $scope.wallet = wallet;
+  }
+
+  $scope.signMessage = function() {
+    $scope.signedMessage = signVerifyMessageService.signMessage($scope.wallet, $scope.message.value);
+  }
+});

src/js/controllers/tab-home.js

@@ -1,7 +1,7 @@
 'use strict';
 
 angular.module('copayApp.controllers').controller('tabHomeController',
-  function($rootScope, $timeout, $scope, $state, $stateParams, $ionicModal, $ionicScrollDelegate, $window, gettextCatalog, lodash, popupService, ongoingProcess, externalLinkService, latestReleaseService, profileService, walletService, configService, $log, platformInfo, storageService, txpModalService, appConfigService, startupService, addressbookService, feedbackService, bwcError, nextStepsService, buyAndSellService, homeIntegrationsService, bitpayCardService, pushNotificationsService, timeService, bitcoincomService, pricechartService, firebaseEventsService, servicesService, shapeshiftService, $ionicNavBarDelegate) {
+  function($rootScope, $timeout, $scope, $state, $stateParams, $ionicModal, $ionicScrollDelegate, $window, gettextCatalog, lodash, popupService, ongoingProcess, externalLinkService, latestReleaseService, profileService, walletService, configService, $log, platformInfo, storageService, txpModalService, appConfigService, startupService, addressbookService, feedbackService, bwcError, nextStepsService, buyAndSellService, homeIntegrationsService, bitpayCardService, pushNotificationsService, timeService, bitcoincomService, pricechartService, firebaseEventsService, servicesService, shapeshiftService, $ionicNavBarDelegate, signVerifyMessageService) {
     var wallet;
     var listeners = [];
     var notifications = [];

src/js/controllers/verifyMessageController.js

@@ -0,0 +1,4 @@
+'use strict';
+
+angular.module('copayApp.controllers').controller('verifyMessageController', function($scope, $interval, profileService, walletService, popupService, lodash, $ionicNavBarDelegate, signVerifyMessageService) {
+});

src/js/routes.js

@@ -1016,6 +1016,26 @@ angular.module('copayApp').config(function(historicLogProvider, $provide, $logPr
         }
       })
 
+      /* Message Signing and Verification */
+      .state('tabs.signMessage', {
+        url: '/signMessage',
+        views: {
+          'tab-home@tabs': {
+            controller: 'signMessageController',
+            templateUrl: 'views/signMessage.html'
+          }
+        }
+      })
+      .state('tabs.verifyMessage', {
+        url: '/verifyMessage',
+        views: {
+          'tab-home@tabs': {
+            controller: 'verifyMessageController',
+            templateUrl: 'views/verifyMessage.html'
+          }
+        }
+      })
+
       /*
        *
        * Mercado Libre Gift Card

src/js/services/signVerifyMessageService.js

@@ -0,0 +1,37 @@
+'use strict';
+angular.module('copayApp.services').factory('signVerifyMessageService', function($http, $log, lodash, moment, storageService, configService, platformInfo, servicesService) {
+  var root = {};
+  var credentials = {};
+
+  var signServicesItem = {
+    name: 'signMessage',
+    title: 'Sign Message',
+    icon: 'icon-sign-message',
+    sref: 'tabs.signMessage',
+  };
+
+  /*var verifyServicesItem = {
+    name: 'verifyMessage',
+    title: 'Verify Message',
+    icon: 'icon-verify-message',
+    sref: 'tabs.verifyMessage',
+  };*/
+
+  var register = function() {
+    servicesService.register(signServicesItem);
+    //servicesService.register(verifyServicesItem);
+  };
+
+  root.signMessage = function(wallet, message) {
+    var privKey = wallet.credentials.walletPrivKey;
+    var coin = wallet.coin;
+    return wallet.signMessage(message, privKey, coin);
+  }
+
+  root.verifyMessage = function(message, signature, pubKey, coin) {
+    return wallet.verifyMessage(message, signature, pubKey, coin);
+  }
+
+  register();
+  return root;
+});