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

updates UI to bootstrap v2

WIP rails3 migration

Refs #1041 Add audit_parent to db and ui

Seems to work fine, within the limitations of HostClasses getting
their own entry. Search doesn't work right - it searches on
"parent = 1" not "parent = host/domain/blah"

Signed-off-by: Greg Sutcliffe <gsutcliffe@gmail.com>

add search to audit page fixes #773, fixes #772 and fixes #412

Signed-off-by: Amos Benari <abenari@redhat.com>

views cleanup and added more operatingsystems icons

fixes #392 - audit search by user not working

this will only show users who actually have an audit assoicated to them

XHTML compliance

fixed all parenthesize warnings