Cleanup in RestorePackageHelper
Add TestOutputFile option to SpecFlow helper.
Merge pull request #156 from mavnn/SpecFlow

Add TestOutputFile option to SpecFlow helper.
Merge branch 'master' into develop

Conflicts:
	src/app/FakeLib/RestorePackageHelper.fs
Add Out parameter to NUnit helper
Merge pull request #157 from mavnn/SpecFlow

Add Out parameter to NUnit helper
Merge branch 'master' into develop

Conflicts:
	src/app/FakeLib/NUnitHelper.fs