fixing sequence arrow nav styling so that previous and next arrows more easily click-able
hide Peer Grading tab
hide legend
force display the prompt and don't let it be hidden when the question changes
rename Open Ended Panel tab and make it available to staff
move Fetched New Essay alert message to above content and move user to top
Merge pull request #375 from edx/giulio/peer-grading-style-release

Giulio/peer grading style release