removed unnecessary classes and divs

streamlined some code, removed the need to add a separate class to
containers

**NEED TO MIN CSS**
switched .min comments

index.html uses .min.css again — still need to minify css file
bring index-dev up to date for testing
jumbotron / logo code cleanup
Add minified CSS
Hotfixes for HTML/CSS

Merge branch 'htmlcss-fixes'