Deployment 2017.01.27

Full details are available here: #3508

Changes

• Build
  • Improved build script (PR #3477)
  • Enable UseBasicParsing on PowerShell web requests (PR #3488)
• Test
  • Allow functional tests to run against any URL (issue #3483, PR #3489)
  • Fix functional tests (issue NuGet/Engineering#188, PR #3501)
• Functional
  • Filter out unsupported credentials (PR #3479)