Add default GPFS config files, and include them in the RPM

Signed-off-by: Poornima Gupte <poornima.gupte@in.ibm.com>
Merge branch 'tp/fix_utils_rpmv3' into ibm_next_2Xmerge_tmp
Merge branch 'tp/ibm_next_cidFixes3' into ibm_next_2Xmerge_tmp
Merge branch 'tp/ibm_next_pg_config' into ibm_next_2Xmerge_tmp