MDL-40358 Administration: Added group and status filter on user enrolment page
MDL-40472: Clean all codechecker warnings on mod_assign
MDL-40392 Navigation -> my courses listing tests

This introduces some behat tests to verify that
the display of enrolled courses in the navigation
block works as expected, both when a plain list
or a nested list is configured.

Personally I'm not happy with the way to select
expected text via css element. I'd love to see
something in an higher level like

I should see the text|link "xxxxx" in the "yyyy" "element"

with element being "block, header, footer, main...."

But that's another issue.
MDL-36479 quiz regrade: use progress bar to prevent time-outs
MDL-40512 SCORM: prevent undefined warning
MDL-20867 LDAP NTLM fast path - allow FF to use NTLM when fastpath
enabled
MDL-39815 Add action to display the print windows on page load
MDL-39815 glossary mod: code improvement.
Use html_writer to print out divs.
MDL-39815: wiki and glossary mods: update print icon and system print popup
MDL-40496 deprecatedlib: remove 1.9 final deprecations
MDL-40516 deprecatedlib: final deprecation for old 1.9 functions

These functions have been throwing debugging notices for some time and
its time for them to be put to rest.
MDL-40527 enrol meta: respect $CFG->courselistshortnames

Thanks to James Henestofel for working this out in MDL-37558. That issue
got complex, so I am just submitting this simple part of it for
integration.
MDL-40488 improve $CFG->admin docs
MDL-39832 Files: Revert MDL-39688 commit, f111746140fe80a821ae69e3bf518d950bf188a1

MDL-39688 has been successful in providing a solution for the issue but further
investigations done in MDL-39832 have got the evidence that the given solution
is more likely a workaround.
MDL-39832 Files: Fixed ETag format according with RFC2616.

ETag must be double quoted,
http://tools.ietf.org/html/rfc2616#section-3.11:

      entity-tag = [ weak ] opaque-tag
      weak       = "W/"
      opaque-tag = quoted-string
MDL-40537 mark new major upgrade version

This is required for cache invalidation of classloader class map.
MDL-40450 update links to TinyMCE 3.x docs
MDL-40218 Assignment: Added show/hide suspended users functionality
MDL-40218 Assignment: Show suspended user, similar to the way they are shown in grader report
MDL-40218 Assignment: Participants/submission/grade count only include active users