Updating to Glimpse 1.3.0

Changes:

 - Enabled NuGet Package Restore (for convenience and having nuget.exe handy)
 - Update solution to VS2012
 - Updated dependencies
 - refactoring to resolve API changes
 - Introduced glimpse-dependencies.MVC4 package (different dependencies)
 - Version bump to 1.4 
-  Added title to nuspec file for human-friendly names

TODO:
 - Introduced glimpse-dependencies.MVC3 nuspec
 - alias `glimpse-dependencies` to `glimpse-dependencies.MVC3` so that it reflects the dependency on a specific version of MVC
 - simplify `Dependencies.cs` for readability and simplicity
 - determine if there's a more elegant solution than re-populating the DependencyResolver on each request