Squashing two commits in to single commit
Squashing two commits in to single commit

CLOUDSTACK-8717: Failed to start instance after restoring the running instance
	-Modified code to add tag to aonly one cluster wide SP
	-Added validateList function
	-Added code to clear tags in tearDown class

resmo/cloudstack,wido/cloudstack,GabrielBrascher/cloudstack,wido/cloudstack,DaanHoogland/cloudstack,jcshen007/cloudstack,jcshen007/cloudstack,wido/cloudstack,GabrielBrascher/cloudstack,jcshen007/cloudstack,jcshen007/cloudstack,GabrielBrascher/cloudstack,resmo/cloudstack,wido/cloudstack,resmo/cloudstack,resmo/cloudstack,wido/cloudstack,DaanHoogland/cloudstack,resmo/cloudstack,wido/cloudstack,GabrielBrascher/cloudstack,jcshen007/cloudstack,DaanHoogland/cloudstack,DaanHoogland/cloudstack,DaanHoogland/cloudstack,wido/cloudstack,DaanHoogland/cloudstack,DaanHoogland/cloudstack,jcshen007/cloudstack,jcshen007/cloudstack,resmo/cloudstack,GabrielBrascher/cloudstack,resmo/cloudstack,GabrielBrascher/cloudstack,GabrielBrascher/cloudstack