5.0.0-rc7 (GA2)

Fixes in this release:

• Set-ItResult translates both Pending and Inconclusive to skipped
• Mock splatting is fixed (but mocking Get-PackageSource no longer works)
• TestRegistry and TestDrive teardown correctly when running Pester in Pester
• Fixed resolving paths on PowerShell 5.1

5.0.0-rc6...5.0.0-rc7