Remove correct/incorrect message, and auto-add in needed markdown for studio
Check to see if a location is valid before displaying it for instructor grading
Merge remote-tracking branch 'origin/master' into fix/vik/studio-oe
Properly increment student attempts
Add test for incrementing student attempts
Fix test
Set default weights
Set a default weight
Merge remote-tracking branch 'origin/master' into fix/vik/studio-oe
layout cleanup on LMS PDF Textbook viewer
adjusted the LMS PDF textbook zoom elements positioning
tracking in idashboard should only log json-serializable objects
use unicode instead of str for casting track.views args in idashboard
put block around main_vendor js in main_django.html

should be a no-op for edx-east, but allow edx-west to remove
vendor.js with a blank {% block %}
in our password_reset_confirm.html to fix a bug
drag_and_drop template added
updated imageresponse example to a more universal example (baby animals)
Merge remote-tracking branch 'origin/release' into rc/2013-07-16
Tweak behavior of submit buttons on register and login pages

The buttons are not re-enabled if the registration/login submission succeeds
(and, therefore, the user is about to be directed to another page). Also, any
error message that is present does not disappear immediately before the page
redirects.
Reinstate problem_check event as Problem Checked event
i18n the PDF prev/next button text