hide response count on issues list if no responses
display gravatar image for current_user
fixed conflict in application.html.erb
redirect to root rather than issues on login
display course name in app header
set admin permissions if github name is found in instructor array
favicon snafu
move display of current course to application controller, display current course if found
refactored checking for if new user is an instructor and setting as admin
app title - display as course name + issue queue
add to queue and archive buttons
display instructor queue (and removed titleize, since lowercase words may be appropriate for many code-based issue titles
remove issue from instructor queue
display message that there are no items in instructor queue if it's empty
create seed issues with recent random creation time, long issue descriptions
added simple_format to issues and replies
hide resolved/archived issues list unless there are archived issues
reply header and form diplays when no replies
display current user name in placeholder for add reply field
display gravatars for replies