MDL-42956 auth: Fix hard-coded LIMIT clause on keepalive_client method.
MDL-45376 Completion: Form locking is still not working right

On submit of the form, it called 'freeze' on the completion-related
fields (even though they shouldn't have been frozen because you
already clicked the unlock button).
MDL-45338 editor_atto: Check for selection changes on touch-based devices too
MDL-45409 conditional_activity: Do not iterate over deprecated properties
MDL-45253 editor_atto: selectionFilterMatches includes parents
MDL-45253 editor_atto: Prevent selection of all nodes when selection is empty
MDL-45253 editor_atto: Check for button highlights on change event

This will allow a button to be highlighted when a plugin has updated
the content, not only when the selection has changed.
MDL-45253 editor_atto: Async the highlighting of buttons
MDL-45403 editor_atto: Change default for tagMarchRequiresAll to true
MDL-30106 forum: New web service mod_forum_get_forum_discussion_posts
MDL-30106 forum: Bump version number (upgrading service and installing new ws)
MDL-30106 forum: get_posts WS fixes in data generator and def. values
MDL-45412 cachestore_mongodb: fixed use of deprecated Mongo class
MDL-45412 cachestore_mongodb: added notification of old Mongo version use
Merge branch 'MDL-42956-master' of git://github.com/lameze/moodle
Merge branch 'MDL-30106' of git://github.com/jleyva/moodle
MDL-45290 rubric: IE8 and minor fixes, RTL

Added a fallback style for IE8, adjusted some minor styles, added RTL capability.
Merge branch 'MDL-45376-master' of https://github.com/sammarshallou/moodle
Merge branch 'MDL-45290-master-fix' of http://github.com/jethac/moodle
Merge branch 'MDL-45338-master' of git://github.com/andrewnicols/moodle