fixes #1649 Puppet class and environment import works only on the first smart-proxy

audit as twitter and versions for template.

This also closes #1377 as it offer versions and diff view of the tempates.

it is not ideal, but it should handle the most common case for now,
where we should open other feature requests to support all of the ideas in #1377

wip audits upgrade

minor fixes to host show page

added vm tab

host show folded into tabs.

moved to bootstrap 2.04

fixes #1192 Class display not sorted in nested hostgroup

fixes #1572

fixed useless warning