Update to clouddocs-maven-plugin 2.1.1
Update to clouddocs-maven-plugin 2.1.1

Change-Id: Ic8d7edc6670012c02c7a63d33927b070cba97827

openstack/training-guides,Nabs007/training-guides,Nabs007/training-guides,Nabs007/training-guides,harrisonfeng/training-guides,openstack/training-guides,harrisonfeng/training-guides,harrisonfeng/training-guides