Fix typo in component mixin name

Should be `component`; was `components`
fixes spelling and content-modeling link
Merge pull request #77 from rabellamy/spellFix

fixes spelling (of grid) and content-modeling link
Merge pull request #73 from smt/master

Fix typo in component mixin name
Update README.md
Smallest PR ever. Vision statement typo
Merge pull request #80 from scottrigby/master

Smallest PR ever. Vision statement typo
References Feather (resolves #74). Re-arranges intro to testing and grading performance
Updated for progressive enhancement awesome
Jank Free under Pge Performance. Resolves #79
Resolves #76
First pass at basic RWD design constraints. Resolves #28
Version Bump
Missing * for codeblock header
Updated Examples to no longer use outdated enhancements/fallbacks
Removed extraneous word, likely accidentally left over from a previous sentence rewording.
Grammar "regardless if" -> "regardless whether"
Merge pull request #86 from jayphelps/patch-1

Removed extraneous word "have"
Merge pull request #87 from jayphelps/patch-2

Grammar "regardless if" -> "regardless whether"
Use a colon to introduce a series