REFAC: move SuperbuildDownloadList.sh to the CI dir and use CI variable to...

REFAC: move SuperbuildDownloadList.sh to the CI dir and use CI variable to determine the branch name
36 jobs for release-7.3 in 132 minutes and 12 seconds (queued for 10 seconds)
latest
Name Stage Failure
failed
debian-build Build
WARNING: OTB-*.run: no matching files              
WARNING: OTB-*.zip: no matching files
WARNING: build/compile_commands.json: no matching files
WARNING: build/ctest_report.xml: no matching files
WARNING: build/cppcheck_report.xml: no matching files
WARNING: build/coverage_report.xml: no matching files
Uploading artifacts as "archive" to coordinator... ok
id=44845 responseStatus=201 Created token=x-QcPx93
Cleaning up file based variables
ERROR: Job failed: exit code 1
failed
windows-10-build Build
WARNING: OTB-*.run: no matching files              
WARNING: OTB-*.zip: no matching files
WARNING: build/compile_commands.json: no matching files
WARNING: build/ctest_report.xml: no matching files
WARNING: build/cppcheck_report.xml: no matching files
WARNING: build/coverage_report.xml: no matching files
Uploading artifacts as "archive" to coordinator... ok
id=44844 responseStatus=201 Created token=4x6by8xt
Cleaning up file based variables
ERROR: Job failed: exit status 4294967295