Gittrac #3619:  Added missing arguments to condor_configure man page;
made a condor_install man page which is basically a copy of the
condor_configure man page.
Gittrac #3634:  Added stub man pages for the bosco_* commands.
Gittrac #3670:  Added a version history note about obsolete binaries
that are still in the tarball.
Update release date for 8.0.0 release
Merge branch 'V8_0_0-branch' into V8_0-branch