Update README.md
Cleanup LESS variable names
Add image attribution for post and page feature images
Update bio photo for author sidebar
Remove Chrome Frame references
Add global transition text and block elements
Remove Typleplate styles
Minor adjustments to author-bio typography
Improve typography
Remove headline wrap and fix schema tag on post/page title's
Add image attribution
Fix .image-pull-right overlap with paragraph text
Improve style of highlighted syntax
HTML cleanup
Improve typography of .article-author
Add custom 404 page