Update workflow buttons to use bootstrap 3 nav

* Fixed footer nave need either navbar-default or navbar-inverse class
* Remove styling that modifies baseline Bootstrap behaviour, replace
with helper class in markup
* Use navbar-btn wrapper to correctly align buttons within bar
Change bootstrap classes for transactions form

* Remove classes from inputs and replace with grid wrappers
* Split main form and expectations with a horizontal rule
Change bootstrap classes for answers form
Change bootstrap classes for business support form

* Add form-control and form-group classes where forms aren’t going
through formtastic
* Replace classes on inputs with wrappers
Change bootstrap classes for completed transaction
Change bootstrap grid classes for licence form
Add bootstrap grid wrappers for places form
Use bootstrap_nested_form on programmes

* The default nested form uses an ordered list for its fields
* This creates a horrible form, and is an existing bug on
preview/production
* Switching to use “bootstrap_nested_form” removes the ordered lists,
and styles the form like other forms with parts.
Strip trailing whitespace
Update smart answers to bootstrap 3

* Use bootstrap 3 form classes
* Remove custom CSS that changed behaviour of baseline classes
* Use plus icons rather than plus-sign icons (plus signs are best used
outside of buttons)
* Add some horizontal spacing between options, arrows and node lists
Change bootstrap grid classes for video form
Remove bootstrap grid class from help page form

* Form elements expand to full width in bootstrap 3 by default
Use bootstrap buttons for creating new editions

* Button had no styles but the default browser ones
Remove stray tab character
Upgrade workflow modals to bootstrap 3

* Modals no longer need to be hidden with hide classes
  * But tabindex -1 and aria hidden should be used
* Update modal markup to include new and necessary bootstrap 3 wrappers
(modal-dialog, modal-content), use html5 elements for modal header and
footer
* Remove grid classes from inputs in modal, inputs expand to full width
by default in bootstrap 3
* Workflow buttons are in an “info” alert, the buttons should match
this — switch from primary buttons to info buttons
* Remove modal styles that modified baseline bootstrap behaviour
Default workflow text within a dark navbar to grey

* Text was too dark to read before, black on black