switch to relative time in comments so we don't have to worry about time zone issues
switch to relative time in comments so we don't have to worry about time zone issues

jfarver/railscasts,nischay13144/railscasts,nischay13144/railscasts,marcagas/railscasts,nischay13144/railscasts,jfarver/railscasts,ryanb/railscasts,ryanb/railscasts,jfarver/railscasts,marcagas/railscasts,marcagas/railscasts