Use $base_dir to be able to run from another working dir

Author: Neves-P

install_software_layer.sh

@@ -1,4 +1,4 @@
 #!/bin/bash
 base_dir=$(dirname $(realpath $0))
 source ${base_dir}/init/eessi_defaults
-./run_in_compat_layer_env.sh ./EESSI-install-software.sh "$@"
+$base_dir/run_in_compat_layer_env.sh $base_dir/EESSI-install-software.sh "$@"