Migrate references to NuGet

[MihailRomanov]

Transfer to use NuGet for libraries:

• AvalonEdit (5.0.2)
• NRefactory (5.5.1)
• WpfDesiner (5.1.96)
• Mono.Cecil (0.9.5.4)
• ICSharpCode.Decompiler (2.3.1)
• Extended.Wpf.Toolkit (4.5.1)
• log4net (1.2.10)
• Newtonsoft.Json (4.5.11)
• RhinoMocks (3.6.1 and 3.6)
• SharpSvn and SharpSvn.UI (1.14001.156)
• Noesis.Javascript (0.7.1.0)
• Machine.Fakes and Machine.Fakes.RhinoMocks (0.2.3.3)
• developwithpassion.specifications.rhinomocks (0.4.13.0)
• Mono.TextTemplating (2.3.1)
• Irony and Irony.Interpreter (0.9.1)
• Machine.Specifications (0.4.9.0 and 0.4.13.0)
• Microsoft.AspNet.Razor (1.0.20105.408)
• Microsoft.Web.Xdt (2.1.1)
• NuGet.Core (2.12.0)
• NUnit (2.7.1)
• PDFsharp (1.32.3057.0)
• SharpZipLib (0.86.0)

Delete all submodules:

• AvalonEdit
• NRefactory
• WpfDesiner
• Mono.Cecil

Delete unused libraries:

• GraphSharp