Update oslo-incubator config module
Update oslo-incubator config module

Changes -
 * Sanitize FQDN in config generator
 * Config generator fails with lazy messages
 * Fix DictOpt support in config sample generator

Change-Id: I4644059b9a2bf7d6e6176029637bd83bac520fa4

zhangjunli177/sahara,esikachev/scenario,ekasitk/sahara,zhujzhuo/Sahara,tellesnobrega/sahara,tellesnobrega/storm_plugin,henaras/sahara,esikachev/sahara-backup,xme1226/sahara,henaras/sahara,tellesnobrega/storm_plugin,zhangjunli177/sahara,matips/iosr-2015,redhat-openstack/sahara,mapr/sahara,keedio/sahara,redhat-openstack/sahara,esikachev/scenario,henaras/sahara,keedio/sahara,tellesnobrega/sahara,redhat-openstack/sahara,mapr/sahara,tellesnobrega/storm_plugin,bigfootproject/sahara,crobby/sahara,esikachev/sahara-backup,zhujzhuo/Sahara,citrix-openstack-build/sahara,openstack/sahara,crobby/sahara,citrix-openstack-build/sahara,ekasitk/sahara,crobby/sahara,keedio/sahara,xme1226/sahara,egafford/sahara,openstack/sahara,matips/iosr-2015,ekasitk/sahara,egafford/sahara,zhangjunli177/sahara,citrix-openstack-build/sahara,matips/iosr-2015,bigfootproject/sahara,esikachev/scenario,mapr/sahara,xme1226/sahara,bigfootproject/sahara,zhujzhuo/Sahara,esikachev/sahara-backup