reversingAdded spinner to 'make_live'.

* used spin.js to add a spinner to any modal. Just use class=spinner to the modal button to activate
* also refactored a lot of language issues for modals and put stuff into language files
Merge branch 'feature/spinner-315' of https://github.com/unikent/programmes-plant into feature/send-for-editing-and-language-refactor

Conflicts:
	application/language/en/revisions.php
	application/views/admin/revisions/partials/revision_header.php