Add support for html5 caption
a11y improvements on primary navigation menu toggle
Remove style redundancy for menu toggle; cursor pointer is already defined for buttons.
Add tab to indent 404.php(L43 to L45).
_s: Add context for translations and styles.

The referenced items are decisions we made for `_s`, that a re likely to be brought up again in pull requests or issues. Since our stance on them is not likely to change any time soon, let's include them in the Contributing FAQs.

See #464.
Merge pull request #463 from gatespace/formating-source-code

Indent multiline PHP code.
Merge remote-tracking branch 'upstream/master' into ja

* upstream/master:
  _s: Add context for translations and styles.
  Add tab to indent 404.php(L43 to L45).
_s: Add context for translations and styles.
Merge pull request #443 from joshmcrty/master

Add support for HTML5 captions.
_s: Simplify caption styles to work in HTML5 mode.

Since HTML5 captions removed the additional 10px that HTML4 versions
come with, the `max-width: 98%;` rule made images blurry. This slightly
simplifies caption styles while still providing support for both HTML4
and HTML5 versions.

See #443.
Merge remote-tracking branch 'upstream/master' into ja

* upstream/master:
  _s: Simplify caption styles to work in HTML5 mode.
  Add support for html5 caption
Merge pull request #459 from philiparthurmoore/menu-a11y

a11y improvements on primary navigation menu toggle
Merge remote-tracking branch 'upstream/master' into ja

* upstream/master:
  Remove style redundancy for menu toggle; cursor pointer is already defined for buttons.
  a11y improvements on primary navigation menu toggle
Merge remote-tracking branch 'upstream/ja'

* upstream/ja:
  _s: Simplify caption styles to work in HTML5 mode.
  _s: Add context for translations and styles.
  _s: Add context for translations and styles.
  Add tab to indent 404.php(L43 to L45).
  Remove style redundancy for menu toggle; cursor pointer is already defined for buttons.
  a11y improvements on primary navigation menu toggle
  Add support for html5 caption