MDL-41767 themes: Support for parent-specific sheets in plugins
MDL-43344 upgrade to latest Flowplayer
Automatically generated installer lang files
MDL-34319 auth_cas: Fixed issue with undefined variable: ldapconnection
MDL-43405 auth_ldap: Fixed issue with undefined variable: ldap_cookie
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
MDL-40619 behat: test for creating a one-question quiz
MDL-44247 mod_scorm: Reference to SYSTEM_CONTEXT instead of real context
MDL-44065 Course: _add_instance exception leads to inconsistent db

If an exception occurs during a module's _add_instance function, this
results in a course_modules entry with instance=0. The system already
handled returning false to this function, but did not handle
exceptions.
MDL-44168 html: border=1 on regexdetect table
MDL-43930 assign: Do not log when user is logged in as someone else.

I do not agree with this behaviour - but this makes it consistent with other modules.
Merge branch 'install_26_STABLE' of git://git.moodle.org/moodle-install into MOODLE_26_STABLE
weekly release 2.6.1+
MDL-44288 qtype_calculatedsimple fix validation notice.

The notice happend if you clicked Save changes before Find the wild
cards {x..} present in the correct answer formulas.
MDL-44279 user: added unit test to trigger known bug
MDL-42279 user: fixed typo in user_get_user_details_courses
Automatically generated installer lang files
MDL-44286 behat: Updating to our custom Syn library
MDL-43882 performance: New metric, time spent by the database

This patch adds a new performance metric to the performance
info shown by MDL_PERF* vars, the time spent by the database,
it was one of the wonderful @poltawski ideas. To be more specific
the value displayed is the sum of the time elapsed between query_start()
and query_end().
MDL-43882 dml: New test for perf_get_xxxx() methods