Updated version to alpha release
Implemented CEP attribute
Updated NuGet spec file: version, tags and frameworks
Marked all the attributed as sealed. This change fixes #3.

Marked all the attributes as sealed in order to avoid search in attribute inheritance hierarchy and unintended code execution.

For more information about sealed attributes, see http://msdn.microsoft.com/en-us/library/ms182267.aspx
Updated release notes in the NuGet spec file.
Configured project to generate documentation.
Updated maoli.js and implemented CEP validation.
Updated maoli.js to 0.2.2-alpha.
Updated Moq
Updated Maoli to 0.2.2.
Updated README.MD.
Implemented unit tests for CepAttribute.
Updated Maoli.js.
Updated NuGet.
Updated version to 0.2.2.0
Included StyleCop package.
Included documentation for validation attributes.
Updated NuGet configuration file.
Added batch file to create NuGet package.