keep, rename and move temp folder with report

@karnem @kamile

In this MR instead of removing the slurm_temp folder after successful output, the slurm_out folder is kept without the files used for creating the report (sphinx needed files.) and the folder is renamed as the report name.

xfel_calibrate/finalize.py

@@ -3,7 +3,7 @@ from importlib.machinery import SourceFileLoader
 from os import chdir, listdir, makedirs, path, remove, stat
 from os.path import isdir, isfile, splitext
 import re
-from shutil import copy, copytree, move, rmtree
+from shutil import copy, copytree, move
 from subprocess import CalledProcessError, check_call, check_output
 from textwrap import dedent
 from time import sleep