comments out triangles and changes background on highlightbox

Seems that many users are having issues with Firefox, and Safari
displaying the highlight box triangle @chrismancuso requested to remove
for now.
content-inner now wrapping around all content

fixes issue with the content-inner now wrapping around all content, by
adding row class and adding negative margin to content-inner class
Revert d2af09b..f0175b6

This rolls back to commit d2af09bf21d62207c43665be9bd664e3da0e4417.
Fixes issue with the content not wrapping around

adding a row fixes the issue with content not been fully wrapped
inside the page content template
Merge pull request #90 from msudenver/cssupdates

Small fixes with highlight box triangle and text/image content not wrapping around content