Update to condor 8.2..6 with OSG patches (SOFTWARE-1706)


git-svn-id: file:///p/condor/workspaces/vdt/svn/native/redhat/trunk/condor@20355 4e558342-562e-0410-864c-e07659590f8c
update condor readme with instructions for updating condor.spec, per TimC


git-svn-id: file:///p/condor/workspaces/vdt/svn/native/redhat/trunk/condor@20357 4e558342-562e-0410-864c-e07659590f8c