reorganizye scripts directory, simplity creation of TWTarballs

[belforte]

in current scripts directory we mix files uses for different purposes, which forces us to keep explicit lists of file names in buildTWTarballs.sh

Instead we can structure scripts so that there is a top directory for "things which need to go in the scheduler's SPOOL_DIR" and "things which need to go in the grid job directory"

That will simplify both tarball creations and use and will be safer against adding, renaming files.

See #8699 (comment)

[belforte]

I paste here text from #8699 (comment) for convenience

add two subdirectories in CRABServer/scripts

scripts
├── dagman
│   └── task_process
└── job_wrapper

so that in

CRABServer/cicd/crabtaskworker_pypi/buildTWTarballs.sh

Lines 76 to 84 in e8149dd

	cp -r "${CRABSERVERDIR}/scripts"/{TweakPSet.py,CMSRunAnalysis.py,task_process} .
	cp "${CRABSERVERDIR}/src/python"/{ServerUtilities.py,RucioUtils.py,CMSGroupMapper.py,RESTInteractions.py} .
	echo "Making TaskManagerRun tarball"
	tar zcf "${RUNTIME_WORKDIR}/TaskManagerRun.tar.gz" CRAB3.zip TweakPSet.py CMSRunAnalysis.py task_process ServerUtilities.py RucioUtils.py CMSGroupMapper.py RESTInteractions.py || exit 4
	echo "Making CMSRunAnalysis tarball"
	tar zcf "${RUNTIME_WORKDIR}/CMSRunAnalysis.tar.gz" WMCore.zip TweakPSet.py CMSRunAnalysis.py ServerUtilities.py CMSGroupMapper.py RESTInteractions.py || exit 4

we only copy well named directories around, like done now for task_process

and also move expanding of job_wrapper tarball

CRABServer/scripts/CMSRunAnalysis.sh

Line 49 in e8149dd

tar xmf CMSRunAnalysis.tar.gz || exit 10042

to the top wrapper script between these lines

CRABServer/scripts/gWMS-CMSRunAnalysis.sh

Lines 225 to 227 in e8149dd

	echo "======== PROXY INFORMATION FINISH at $(TZ=GMT date) ========"
	echo "======== CMSRunAnalysis.sh at $(TZ=GMT date) STARTING ========"

[belforte]

better do right after #6544 "while memory is fresh" so that I can capture all changes in a documentation #8728