Update gems

Add protocol-relative URL example

Merge branch 'master' of https://github.com/mmistakes/minimal-mistakes

# By jeremyvoltz
# Via Michael Rose (1) and jeremyvoltz (1)
* 'master' of https://github.com/mmistakes/minimal-mistakes:
  Added youtube and soundcloud for site owner
  Added the fixed width class for font awesome icons

Merge pull request #95 from jeremyvoltz/master

Fixed width fa icons for cleaner stacking, plus youtube and soundcloud

Move .image-wrap triangle down a few pixels to cover small gap

Added youtube and soundcloud for site owner

Added the fixed width class for font awesome icons

This will allow cleaner stacking of icons that aren’t square

Fix broken TOC toggle

Reduce size of sample feature images

Reduce size of feature image triangle
- On smaller screens reduce size of triangle

Fix button border color
- Remove bottom borders on links and use text-decoration: underline instead
- Use sans-serif font for button text

Include new sample images for features

Wrap all page content in #main div to fix #86
- Adjust article styles to correctly display post indexes
- Remove top margin from page titles

Remove references to .less
- Add Gist example

Merge pull request #81 from muhasturk/master

removed unused <a> tag in _author-bio.html

illegal character in query fixed

removed unused <a> tag in _author-bio.html

Fix typo

Merge pull request #80 from cazzar/patch-1

Fix up small spelling mistake in ad code.

Fix up small spelling mistake in ad code.