Add info for polls
Start documenting Staff Debug Info

STUD-1273
Add error notification for XBlocks in Studio
Further updates to Polls
adding in gray versions of social icons for use in new email template. Using new name to ensure old links and existing emails using older templates still stay active
Merge pull request #2748 from edx/db/document-staff-debug-info

Start documenting Staff Debug Info
Fix typo
Merge pull request #2764 from edx/sylvia/documentation/BLD-672

Fix typo
Removing Vagrantfile, no longer used, please see configuration repo
Add JSdraw to INSTALLED_APPS if we can.
Add label to the checkboxes sample template.
Merge pull request #2757 from edx/will/studio-xblock-error-notification

Add error notification for XBlocks in Studio
Add polls and randomization to problem information
Update django-wiki revision
Merge pull request #2770 from edx/dcs/mat-4

Update django-wiki revision
fixes MAT-4
Converted javascript confirmation dialog to jquery UI dialog (needs style)
Merge pull request #2638 from edx/dcs/ui-confirm-dialog

Converted javascript confirmation dialog on essay grader to modal dialog
add some authorization checks to the Wiki
update js_draw req
Merge pull request #2713 from edx/cdodge/add-auth-to-wiki

add some authorization checks to the Wiki