feature-2262: Make lvm drivers use incremental xpath
feature-2262: Remove HOST default attribute from lvm.conf
feature-2262: Remove HOST default attribute from ceph.conf and ceph drivers
feature-2262: Make iscsi drivers use incremental xpath structure
feature-2262: Remove HOST default attribute from iscsi.conf and iscsi drivers
Bug #2266: Incompatible use of round method in earlier Ruby versions found in OneFlow component
Bug #2257: convert paths in OpenNebulaNetwork.rb to relative paths
Bug #2257: Add a sudoers file generator
Bug #2257: deterministic output for ruby 1.8.7
Bug #2257: Better label for ONE commands for the sudoers file
Bug #2257: Add sudoers files for all distributions
Bug #2257: rename sudoers files
Bug #2263: export LC_ALL and LANG and set -e for all the required remote scripts (ssh_monitor_and_log and ssh_exec_and_log)
Bug #2271: remove '-O rbd' from qemu-img
Bug #2271: rados command doesn't need sudo
feature #2262: fix default substitution
Merge branch 'feature-2262'
Merge branch 'bug-2257'
Merge branch 'bug-2263'
Merge branch 'bug-2271'

Conflicts:
	src/datastore_mad/remotes/ceph/monitor