Script to import template from ova to rhevm; vsphere script rename

first working version

added final checks to each step; added data from cfme_data and creds

added additional conditions

Some more cleanup; visual upgrades

implemented proposed changes

proposed changes implemented

renamed vsphere template upload script

permissions; empty braces remove; check for template add

api as a param
Merge pull request #458 from apagac/template_import_rhevm

Script to import template from ova to rhevm