Added missing test in StaticImageBookTest
Improve accessibility of forum nav sort buttons
Improve accessibility of forum nav topic menu

Add the aria-haspopup attribute and additional explanatory text for
screen reader users.
Perform auth checks in middleware

        Includes static server tests.
Put static server middleware after the middleware it requires
Remove cache workaround
Fixed tests name in staticbook
Fix order-dependency in tests
Fix middleware order in CMS.

   And include Don's fix for partial course_id lookup.
add unicode support for course_wiki
Merge pull request #1099 from edx/hotfix/unicode-course-wiki

add unicode support for course_wiki
Merge pull request #1098 from edx/jkarni/fix/revert-xml-comments
Merge pull request #1101 from edx/gprice/forum-a11y

Improve forums nav accessibility
Merge pull request #1103 from edx/dhm/asset_bug

Dhm/asset bug
update discussion forums views to add accessibility information and add hidden accessibilty class to discussion scss, this comprises adding comments count and votes count verbiage and vote call to action
updated new post forum dropdown menu for use with chromevox
Merge pull request #1105 from edx/forums/accessibility/labels

updated new post forum dropdown menu for use with chromevox
Merge pull request #1053 from edx/usman/static-book-url

Added missing test in StaticImageBookTest
Back out USER_ID help text.
Speed up lti acceptance test for remote webdriver.