MDL-26534 allow iframes in course category descriptions
weekly release
MDL-26324 overall feedback problem when quiz changed to being graded out of 0
MDL-26605 fix problematic mediaplugin regex matching
AICC MDL-26672 fix for AICC Value=0 - thanks to Matteo for fix/report
Merge branch 'MDL-26324_19' of git://github.com/timhunt/moodle into MOODLE_19_STABLE
Merge branch 'm19_MDL-26672_aiccfix' of git://github.com/danmarsden/moodle into MOODLE_19_STABLE
weekly release
MDL-21446 truncate >31 char worksheet names that otherwise break Excel export.
MDL-4633: remove 'required' rule for user's profile description
MDL-19555: add NULL string test to format_test(). Credit goes to Matej Vela. Thanks
MDL-9376, disallow student to see the other users posts in max editing time, credits to Vlas Voloshin and Charles Fulton MOODLE_19_STABLE
MDL-26757 fixed regression in glossary recent activity block url
MDL-26634 LDAP NTLM SSO Multiple subnet separator is not specified and people use a wrong one

Credit goes to Inaki Arenaza.
Merge branch 'MDL-21446_19' of git://github.com/timhunt/moodle into MOODLE_19_STABLE
Merge branch 's7_MDL-9376_qaforum_m19' of git://github.com/dongsheng/moodle into MOODLE_19_STABLE
MDL-9376 fix minor global use
Merge branch 'MDL-19555_m19' of git://github.com/rwijaya/moodle into MOODLE_19_STABLE
Merge branch 'w11_MDL-26634_19_ldapset' of git://github.com/skodak/moodle into MOODLE_19_STABLE
Merge branch 'MDL-4633-m19' of git://github.com/rwijaya/moodle into MOODLE_19_STABLE