Refactoring of LRMS shell backends processing flow
This changeset modifies the general call stack used by shell backends.
Changeset introduces lrms_common.sh
that is single place for declaring the grami/arc.conf parsing functions and common env settings.
This includes fix for configuration options processing by LRMS backends [BUGZ 3717]
Changes are documented in README.lrms.rst
Edited by Maiken