Test: cts: Add an option for copying /etc/hosts during setup
Doc: Update the openstack quickstart
Fix: Detect child processes that terminate before our SIGCHLD handler is installed
Fix: Check for and replace non-printing characters with their octal equivalent while exporting xml text
Fix: xml: Preserve newlines, tabs and line feeds in some form

xmlCtxtReadDoc() folds all these characters into spaces, so
convert to their escape sequences when exporting to text
Build: Update top-level helpers
Build: Update library versions for 1.1.10
Feature: cluster-init: Support inaddr_any for udpu clusters
Test: PE: Supress additional glib memory leaks
Doc: Updates to the openstack quickstart