MDL-27414 Upgrade the randomsamatch qtype to the new question engine
Added XML import/export
Different randomsamatch questions in the same quiz can now pick the same
shortanswer question.
Images are not preserved if shortanswer question is deleted after being
used in a randomsamatch attempt.
Automatically generated installer lang files
MDL-43822 theme_bootstrapbase: blocks less tidied and reorganised

Thanks Gareth for the peer-review.
MDL-43049 accesslib: Fix typo in memory optimization code
MDL-42033 Files in subdirs not exported correctly by question XML format
Merge branch 'MDL-43979-26' of git://github.com/andrewnicols/moodle into MOODLE_26_STABLE

Conflicts:
	lib/yui/build/moodle-core-notification-dialogue/moodle-core-notification-dialogue-min.js
Merge branch 'MDL-44079-26' of git://github.com/andrewnicols/moodle into MOODLE_26_STABLE

Conflicts:
	lib/yui/build/moodle-core-notification-dialogue/moodle-core-notification-dialogue-min.js
Merge branch 'MDL-44055-26' of git://github.com/andrewnicols/moodle into MOODLE_26_STABLE
Merge branch 'MDL-44042-26' of git://github.com/andrewnicols/moodle into MOODLE_26_STABLE
Merge branch 'MDL-44142-26' of git://github.com/mrverrall/moodle into MOODLE_26_STABLE
Merge branch 'MDL-42404_26' of git://github.com/dmonllao/moodle into MOODLE_26_STABLE
Merge branch 'MDL-44037_26' of git://github.com/dmonllao/moodle into MOODLE_26_STABLE
MDL-43169 core_calendar: introduced calendar type system setting (Backport of MDL-42932)
MDL-34319 auth_cas: Fixed issue with undefined variable: ldapconnection
MDL-43405 auth_ldap: Fixed issue with undefined variable: ldap_cookie
Merge branch 'MDL-44018_26' of git://github.com/timhunt/moodle into MOODLE_26_STABLE
MDL-43723 restrict the drag and drop to the move icon instead of dragging the entire block header

Conflicts:
	lib/yui/build/moodle-core-blocks/moodle-core-blocks-min.js
Merge branch 'MDL-42033_26' of git://github.com/jmvedrine/moodle into MOODLE_26_STABLE
MDL-43802 behat: Testing deleted activity with JS enabled
MDL-43504 Course: Include the course/category collapse JS correctly

This was previously only included when there were hidden categories to show
which were not yet visible. As a result, if all categories were visible,
then the JS was not included.