q(...) -> Promise.resolve

```
find src test -name '*.js' | xargs perl -i -pe 's/\b[qQ]\(/Promise.resolve(/'
```

src/vector/platform/ElectronPlatform.js

@@ -173,7 +173,7 @@ export default class ElectronPlatform extends VectorBasePlatform {
     }
 
     getAppVersion(): Promise<string> {
-        return q(remote.app.getVersion());
+        return Promise.resolve(remote.app.getVersion());
     }
 
     startUpdateCheck() {
@@ -201,7 +201,7 @@ export default class ElectronPlatform extends VectorBasePlatform {
     isElectron(): boolean { return true; }
 
     requestNotificationPermission(): Promise<string> {
-        return q('granted');
+        return Promise.resolve('granted');
     }
 
     reload() {

src/vector/platform/WebPlatform.js

@@ -132,7 +132,7 @@ export default class WebPlatform extends VectorBasePlatform {
 
     getAppVersion(): Promise<string> {
         if (this.runningVersion !== null) {
-            return q(this.runningVersion);
+            return Promise.resolve(this.runningVersion);
         }
         return this._getVersion();
     }