Merge pull request #46 from opattison/2014-11-24-respimage

Responsive images with respimage – resolves #47
Merge pull request #51 from opattison/2014-11-24-patterns

Pattern library beginning
Merge pull request #49 from opattison/2014-11-24-content

Refined content, refactoring, style enhancements
Merge pull request #52 from opattison/2014-11-26-content

2014-11-26 Writing edits
[fix] [style] .hero top margin fix at 30em
[style] updated design for .feature
[style] .photo figcaption style
Merge branch '2014-11-26-content' into 2014-11-26-style
[style] [compatibility] .footnote font-weight in Safari
[refactor] *breaking* page layout options
{{ page.option contains '' }} syntax

options include:
- hero
- hero-srcset
- no-title
- code (formerly code: true in YAML)
[style] tighting .site-header bottom margin between 30em and 45em
It was like this earlier in the design, but regressed when other changes were made.
Merge pull request #56 from opattison/2014-11-26-content

2014-11-26 Writing edits [2]
[edit] [style] 'Better Responsive Code': re-work presentation …
- fixed scrolling code block with inline styles!
- rewording
- new footnote
- concluding paragraph
[style] font-weight: 500 and >60em padding for .feature text
Merge pull request #55 from opattison/2014-11-26-style

Style refining
Merge branch 'master' into 2014-11-26-content