Revert "Apply the user's condor_config last rather than first. #3158"

This reverts commit 8418e9e88989a216cada0dc1e086bb803ac02c3f.

Conflicts:
	doc/version-history/8-3.history.tex
add test app to validate the job queue log in support of fixing #4551
===VersionHistory:None=== no user visible changes.
add a user-specific condor config file which is parsed last #3158
===VersionHistory:Pending===
Version history for #3158
Merge branch 'V8_2-branch' into V8_3_1-branch
Merge branch 'V8_3_1-branch'