Standardized buld and updated README.md

Updated the build process to match Mvba standards. Added the necessary
supporting files (i.e. InstallGems.bat, Build.bat, etc.). It will use the
settings folder to override defaults (e.g. for CI builds)

Cleaned up the README.md file and added section on how to build the
project. Updated links in the license section to refer to GitHub isntead
of Google Code.

Added CommonAssemblyInfo.cs to the project for standard versioning.

Updated the following dlls:

Updated FluentAssert to 1.0.0.3
Updated JetBrains.Annotations to 8.0.4.1195
Removed NUnit (not being used)