New media permission, show dialog when not enabled for voice msg

UI now in separate renderer:
  - the permissions popup
  - settings dialog
  - debug log dialog
  - about window

Couple bug fixes:
  - About Window: Fix 'escape' to close window
  - Remove outdated dist/copy tasks from Gruntfile

Eslintified settings_view.js

js/views/debug_log_view.js

@@ -42,9 +42,8 @@
       close: i18n('gotIt'),
       debugLogExplanation: i18n('debugLogExplanation'),
     },
-    close(e) {
-      e.preventDefault();
-      this.remove();
+    close() {
+      window.closeDebugLog();
     },
     async submit(e) {
       e.preventDefault();