Added V8 Module

Added V8 as module.
The new V8 modules uses V8.Net that is a layer between C# code and the
native V8 javascript  engine.
Added Valve KeyValue parser for config files
New JS Api features:
Command System
- Command.RegConsole
- Command.RegClient
- Command.RegServer
File System:
- File.getContents
- File.putContents
- File.Create
- File.Delete
- Directory.getFiles
- Directory.getDirectories
- Directory.Create
- Directory.Delete
- Directory.Exists