Merge branch 'wip-MDL-35884-master' of git://github.com/phalacee/moodle
MDL-36587 Assignment: Hide Download All links when no submission have been made
Merge branch 'wip-MDL-36110-master' of git://github.com/phalacee/moodle
Merge branch 'MDL-36828' of https://github.com/aolley/moodle
Merge branch 'MDL-36845' of git://github.com/timhunt/moodle
Merge branch 'w49_MDL-36892_m25_enrolreadme' of git://github.com/skodak/moodle
Merge branch 'w49_MDL-36983_m25_ordertext' of git://github.com/skodak/moodle
Merge branch 'MDL-36808-master' of git://github.com/sammarshallou/moodle
Merge branch 'MDL-34791-master' of git://git.luns.net.uk/moodle
Merge branch 'MDL-36897' of git://github.com/timhunt/moodle
Merge branch 'MDL-36591-master' of git://github.com/damyon/moodle
Merge branch 'MDL-36712-master' of git://github.com/damyon/moodle
Merge branch 'wip-MDL-36938-m25' of git://github.com/samhemelryk/moodle
MDL-30700 Assignment 2.2: Added text_sorting function to tablelib

Allows oracle to sort by text (clob) columns (should be used sparingly).
MDL-36108 - Blocks - Online User block's user image's alt attribute is now empty to prevent repetition of text for screen readers
Merge branch 'wip-MDL-36108-master' of git://github.com/phalacee/moodle
Merge branch 'MDL-36243' of git://github.com/jmvedrine/moodle
MDL-37098 quiz: event handler fails deleting group with no overrides

This was a regression from MDL-35717.
Merge branch 'MDL-37098' of git://github.com/timhunt/moodle
Merge branch 'w49_MDL-36447_m25_gdtest' of git://github.com/skodak/moodle