Doc updates
Merge branch 'master' into lsb
Make sure the default is LOCAL_SHELL iff lsb init failed
lsf_driver_set_remote_server() accepts string NULL
Minor cleanup in lsf test
Merge branch 'lsb' into QC
Merge branch 'QC' into QC-util-abort-dladdr
Changed lsf test to consider liblsf.so availability
Merge branch 'lsb' into QC-util-abort-dladdr