Adds Open Branches in Remote command

Adds Open Branches in Remote command to the Branches custom view item
Adds Open Repository in Remote command to the Repository Status custom view item

src/git/remotes/visualStudio.ts

@@ -12,6 +12,10 @@ export class VisualStudioService extends RemoteProvider {
         return 'Visual Studio Team Services';
     }
 
+    protected getUrlForBranches(): string {
+        return `${this.baseUrl}/branches`;
+    }
+
     protected getUrlForBranch(branch: string): string {
         return `${this.baseUrl}/?version=GB${branch}&_a=history`;
     }