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  - Remove outdated dist/copy tasks from Gruntfile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

permissions_popup_preload.js

@@ -0,0 +1,45 @@
+const { ipcRenderer } = require('electron');
+const url = require('url');
+const i18n = require('./js/modules/i18n');
+
+const config = url.parse(window.location.toString(), true).query;
+const { locale } = config;
+const localeMessages = ipcRenderer.sendSync('locale-data');
+
+window.i18n = i18n.setup(locale, localeMessages);
+
+require('./js/logging');
+
+window.closePermissionsPopup = () =>
+  ipcRenderer.send('close-permissions-popup');
+
+window.getMediaPermissions = makeGetter('media-permissions');
+window.setMediaPermissions = makeSetter('media-permissions');
+
+function makeGetter(name) {
+  return () =>
+    new Promise((resolve, reject) => {
+      ipcRenderer.once(`get-success-${name}`, (event, error, value) => {
+        if (error) {
+          return reject(error);
+        }
+
+        return resolve(value);
+      });
+      ipcRenderer.send(`get-${name}`);
+    });
+}
+
+function makeSetter(name) {
+  return value =>
+    new Promise((resolve, reject) => {
+      ipcRenderer.once(`set-success-${name}`, (event, error) => {
+        if (error) {
+          return reject(error);
+        }
+
+        return resolve();
+      });
+      ipcRenderer.send(`set-${name}`, value);
+    });
+}