Committing updated Gemfile.lock
Merge branch 'master' of github.com:alphagov/static
Updated Gemfile to use current front end toolkit.
Remove padding from OGL in footer at small sizes

The padding-left is required on big screens, but displays strangely on
mobile.
Merge pull request #274 from alphagov/bugfix-ogl-logo-small-screen-padding

Remove padding-left from OGL in footer at small sizes
Bump therubyracer to 0.11.4

Older versions have issues installing if a newer version of libv8 is
installed (even though it depends on the older version).  See
https://github.com/cowboyd/therubyracer/issues/166 for details.
Merge branch 'master' of github.com:alphagov/static
Cherry picking: Style changes to warning and file download call out boxes. Updated download icon
Cherry picking: Removed info panel background colour and icon
Cherry picking: Removed bold weight on info callout text
Cherry picking: Set warnings (help-notice) to take bold weight and have correct padding for readability
Cherry picking: Removed external link icon from file downloads. Cluttered and implicit in displaying the filetype.
Merge pull request #275 from alphagov/bump_therubyracer

Bump therubyracer to 0.11.4
Cherry picking: Moved document icon to background of a instead of parent div. Icon now clickable.
Cherry picking: Repositioned icon so it's centred with first line. More flexible for varied line lengths and works with single lines
Cherry picking: Added min-height to download link so icon is not cut off on single line file titles
Merge branch 'master' of github.com:alphagov/static
Merge branch 'master' into callout-killer-clean
Added retina version of warning icon
Updated download icon to add transparency