Area Description Required Validator Added

Also added tests
Area Description Required Validator Added [ cosmetic code changes ]
Area : Ceiling Existance Validator Added

Also tests added
Response Type Validator Added

Made  Response Type a class
Renamed ResponseTypeOptionalValidatorTests to ResponseTypeValidatorTests
Compile CAPNetTests modified
Merge remote-tracking branch 'upstream/master'
Fixes Error from Enum.Parse(..)
Merge pull request #38 from vltadrian/master

Partial Fixes #5