Mm 16694 master validate urls (#1000)

* validate urls before deeplink or link click

* tests for isValidURL utility function

* review change - invert condition

* add validation for loaded files

bounds-info.json, app-state.json, config.json

* further validation and tweaks

certificate.json, permission.json

* add 2 more files for validation

* parse and validate deeplinks

- includes fix for windows deeplink when app is open

* disable auto-updator when in dev

* Squirrel is not used anymore

* fix validating allowedProtocols

* discard any args following a deeplink url

* tweaks

* update test

* support scheme’s with and without slashes

* stop after finding the first occurance of a deep link

* test updates

* updates to run tests successfully

* port updates to validation from 4.2

* url validation updates

changed validation package to better support internal domains and punycode domains

test/specs/browser/settings_test.js

@@ -20,6 +20,18 @@ describe('browser/settings.html', function desc() {
       name: 'github',
       url: 'https://github.com/',
     }],
+    showTrayIcon: false,
+    trayIconTheme: 'light',
+    minimizeToTray: false,
+    notifications: {
+      flashWindow: 0,
+      bounceIcon: false,
+      bounceIconType: 'informational',
+    },
+    showUnreadBadge: true,
+    useSpellChecker: true,
+    enableHardwareAcceleration: true,
+    autostart: true,
   };
 
   beforeEach(async () => {