Bump the visual importance of the date

I accidentally removed all the styling for this, add the sizing fix back in.
Merge pull request #97 from alphagov/make-updates-title-bigger

Bump the visual importance of the date
Fix issue with phantom JS loading assets

phantomjs defaults to using SSLv3, which has now been disabled
everywhere. The protocol used can be changed with an option:

--ssl-protocol= Sets the SSL protocol
(supported protocols: 'SSLv3' (default), 'SSLv2', 'TLSv1', 'any')
This PR makes poltergeist set this option when invoking phantomjs.
Merge pull request #98 from alphagov/fix-issue-with-phantom-js-loading-assets

Fix issue with phantom JS loading assets
Remove breadcrumb link to contents on contents page

It is confusing for users if we have a breadcrumb linking to the page they are currently on.
Merge pull request #99 from alphagov/remove-contents-link-from-index

Remove breadcrumb link to contents on contents page
Apply standard GOV.UK breadcrumb styling

Makes sense for the breadcrumbs to be consistent with the existing GOV.UK style
Change ALPHA label to BETA

Because for manuals published on GOV.UK, the content is accurate and complete.
Merge pull request #101 from alphagov/change-alpha-to-beta

Change ALPHA label to BETA
Merge pull request #100 from alphagov/breadcrumb-styling

Apply standard GOV.UK breadcrumb styling
Add in stub method for collapse depth and include in view

As part of a feature to allow users to choose what depth their content should collapse, include a stub method in the presented and include it in the view as a data attribute, that will return an integer describing the depth at which to collapse the headings (either 1 or 2)
Put styling on .js-subsection-title not h2

Since we might be styling h2 or h3 in this way, change the specificity of this to .js-subsection-title.
These styles will not be applied if the js has loaded which is good since we don't want it applied in that event.
Add JS to choose which heading level to collapse on

We're allowing publishers to choose which heading level to make collapsible, so this commit updates the javascript to:

1. Read the heading depth from a data-attribute
2. Calculate the selector for that level (i.e. convert 1 to 'h2', 2 to 'h3' n to 'hn+1') Defaults to 'h2' if there is no depth value provided
3. Calculate the selector for 'this heading and any heading levels bigger' to use when working out where the end of a collapsible section is
4. Update markupSections() to use new selectors
Make stub method return 1

1 equates to "collapse on h2" which is the current behaviour in the published manuals.