template_upload_vsphere using mgmt_sys now. template_upload_all adds
"hhmm" timestamps to template names, and 0-pads build #'s that
are < 10, to ensure templates sort in chronological order.
Tag catalog item test added
Merge pull request #1326 from blrm/temp_upload

template upload scripts refactor
Merge pull request #1339 from sshveta/catalogitemtagtest

Tag catalog item test added