Allow custom virtual directory for web applications

[dgrunwald]

SD-1922, originally created on 5/28/2013 21:44:14 by Matt Ward

To reproduce:

1. Create an MVC application.
2. Open project options and select the Web tab.
3. Select use Local IIS Web Server.
4. Enter a custom Project url.
5. Click Create virtual directory button.
6. Run the application.

Expected result:

SharpDevelop launches the project using the Project Url specified and
the application web page is displayed.

Actual result:

Virtual directory is created using the project name.

Also look at supporting custom project url for IIS Express.