Added configuration manager service

Added ActiveDirectory service
Merge branch 'master' of https://github.com/Valtech-NAS/Beta
Added postcode and es services
Renamed projects and created new solutions.
Merge branch 'master' of https://github.com/Valtech-NAS/Beta
Refactored namespaces.
Added es sort tests
Merge branch 'master' of https://github.com/Valtech-NAS/Beta

Conflicts:
	src/SFA.Apprenticeships.sln