SPRNET-1387: ASP.NET PageHandlerFactory cannot inject dependencies in the presence of the WebForms 4.0 routing infrastructure

- Changed how the WebSupportModule detects when it should inject into a Page

Signed-off-by: Andreas Kluth <mail@andreaskluth.net>
Merge pull request #57 from AndreasKl/master

SPRNET-1387: ASP.NET PageHandlerFactory cannot inject dependencies in the presence of the WebForms 4.0 routing infrastructure