Get test/core/ExampleUnitTests/ working (TriBITS #26)

This is 175 of the 176 tests that I need to get working again.  Almost there!
Get devinstall_tools test working (TriBITS #26)

This should be the last test running in the set of 176 tests.  I just need to
verify that manually.
Make symlink to checkin-test.py script at base level.
Fix path to modules (TriBITS #26)

This fixes the generation of the build quick ref guide.