Fixing depreciation warning when running glidein_creation on 2.6+

From OSG Jira CAMPUS-57
change master branch to version 7.9.4, remove pre-release
master branch manual now updated for version 7.9.4
Merge branch 'V7_9_3-branch'
Merge branch 'V7_9_3-branch'
Merge branch 'V7_9_3-branch'
Merge branch 'V7_9_3-branch'
Added MAX_TRANSFER_INPUT_MB and MAX_TRANSFER_OUTPUT_MB. #3333
Fixed compiler warning. #3333
Fixed default for new optional argument max_bytes in put_file().  It was intended to be unlimited by default, not 0. #3333
Merge branch 'V7_9_3-branch'
Merge branch 'V7_9_3-branch'
Merge branch 'V7_9_3-branch'
Turn off classad dirty tracking by default #3396

This improves classad parsing speed by about 15%
Merge branch 'V7_9_3-branch'
Merge branch 'V7_9_3-branch'
Merge branch 'V7_8-branch'
Merge branch 'V7_8-branch'
Gittrac #1419 (warn if log files are in /tmp):  this is now implemented
(for both the "normal" node job log files and the default node log file);
still needs documentation (at least something in the version history).
Merge branch 'master' of /p/condor/repository/CONDOR_SRC