[T4] Added nuspec
[Ide] Support MSBuild custom tools
[AspNet] Massive overhaul, in progress

* Merged ASP.NET and ASP.NET MVC addins
  - Added support for ASP.NET MVC in Web App
    projects, needed for ASP.MVC 5 projects
* Cleaned and reorganized the codebase
* Moved ASP.NET unit tests into separate assembly
  - Fixed some minor issues in Razor tests
* Removed automatic translation of C# project/file
  templates to other languages
  - Only C# templates are included
* Removed build-time updating of Web Forms CodeBehind
  - Update-on-save is still supported
* Removed unmaintained remote deployment system
  - It was never supported on Windows/Mac
  - Removes dependency on Linux deployment addin
* Updated ASP.NET MVC templates to ASP.NET MVC 5
  - ASP.NET MVC reference is now a NuGet reference
* Removed incomplete default doctype abstraction
  * All template used HTML5 doctype
* Stetic is no longer used for UI
[XmlEditor] Massive cleanup, in progress

* Rename public types/namespace to be more meaningful
* Port old tests to new parser
* Reorganize namespaces/directories
* Remove a lot of dead code

TODO:

Death to stetic