Revert "Added support for ${MachineName} variable in environment-specific paths."

This reverts commit b6151a997f03ddd1a13f4d063bf4b8c0217ceef2.
Added some helper scripts.
Merge branch 'master' into DbProjects

Conflicts:
	Src/UberDeployer.Core/Domain/EnvironmentInfo.cs
Fixed reverted test.
Changed names in TestData class.