setup: Move installation test scripts under setup/

There will be a lot of other stuff in the boot camp repository.  Stay
organized by keeping "how to set up and test your machine" stuff in a
subdirectory.

diff --git a/swc-installation-test-1.py b/setup/swc-installation-test-1.py
similarity index 100%
rename from swc-installation-test-1.py
rename to setup/swc-installation-test-1.py

diff --git a/swc-installation-test-2.py b/setup/swc-installation-test-2.py
similarity index 100%
rename from swc-installation-test-2.py
rename to setup/swc-installation-test-2.py