Due to issues with require.js and the latest version of the toolbar.
Also included a note in the requirements file explaining the situation, and what
needs to happen before this can be upgrade properly.
(STUD-1201)
Revert "Specific django-toolbar version (stable released) and update the panels in dev envs"
This reverts commit a465b082da.
Revert "Updated settings for devstack django debug toolbar"
This reverts commit 30199e8a61.