fixes #3709 - explicitly say puppet environments vs just 'environments'

fixes #2763 - correcting doco links

fixes #2741 - remove dash from -%> to %>

refs #3254 - Using the two-pane layout in some pages.

fixes #2404 - prevents 404 when updating invalid name used as id

Feature #2368 - form helpers, exceptions and fixes

Feature #2368 - i18n extracting and locale rake task

Feature #2368 - host list popups and various fixes

Feature #2368 - i18n extracting strings

removed the need to add 'btn' class for the action_buttons helper, and changed the action buttons to small.