Refactors list and share link patterns.
Refactors share-link to share-icon.
Updates share-icon example.
Refactors .post-inset margins.
Simplifies post_inset margin css.
Adds tags pattern.
Updates example tags text.
Removes non-click version of share icon.
Merge pull request #23 from himedlooff/gh-pages

In an effort to get the blog post main content done...