fix power control provider setup
Change v9.9.9.9 to v5.3 in ver_pick calls
Merge pull request #811 from dajohnso/pwrctl_provider_fix

fix power control provider setup
Merge pull request #808 from jkrocil/add-cfme31-ver-pick

Replace v9.9.9.9 with v5.3 in ver_pick calls