Only showing default Build Configurations from project file

[GoogleCodeExporter]

What steps will reproduce the problem?
1.Add additional build configurations to a project
2.Save the project
3.In Windows Explorer right click on the project file to show the context menu

What is the expected output? What do you see instead?
Expected is to see all build configurations from the project file, what is show 
is the default Debug & release builds

What version of the product are you using? On what operating system?
0.1.57.0 on Windows 7 SP1 (All updates)

Please provide any additional information below.
I have several project files that contain multiple build configurations for 
different conditional defines. 

An example of the build configurations:
Debug
  Debug - Pro
  Debug - Free
Release
  Release - Pro
  Release - Free

Have also tested with a flat list of build configurations:
Debug
Debug - Pro
Debug - Free

Original issue reported on code.google.com by [email protected] on 12 Jul 2014 at 1:20