Added a small shell script to create a tar-file for releases

tests/small-testcodes/release_fleur.sh

+
+echo " This script creates a tar file to be released on the website"
+echo " Please make sure you have adjusted the release output in FLEUR"
+
+git clone https://iffgit.fz-juelich.de/fleur/fleur.git 
+rm -rf fleur/.git*
+
+echo "Please enter name of release:"
+read version
+
+echo $version >fleur/version
+
+tar czf fleur.release.tgz fleur
+
+rm -rf fleur
+
+