added row-fluid classes and image alt test
Revert "added row-fluid classes and image alt test"

This reverts commit f64223db7f20e7109645eb9770ffa78fae957e4e.
Revert "Revert "added row-fluid classes and image alt test""

This reverts commit 08037cb7e12cf5bddb975436892f747f7be3cf0a.