MDL-43344 upgrade to latest Flowplayer
Merge branch 'w06_MDL-43344_m24_flow' of https://github.com/skodak/moodle into MOODLE_24_STABLE
MDL-43916 - Email addresses incorrectly displayed

When capabilities and settings do not allow it.
MDL-43690 quiz_question_tostring missing s().

This meant that the edit quiz page sometimes had invalid HTML.
MDL-43656 mod_feedback: availablity date logic incorrect
MDL-44082 mod_chat: added a security check for users already in the chat activity
MDL-39990 wiki: more detailed validation of view/edit access
MDL-29409 repository_alfresco: Drop support for URL/link

The current solution has two major issues. Firstly, it is using the
session key in the file URL, allowing anyone with the link to steal
the identify of the poster. Secondly, the links are not presistent
and become broken as soon as the server is restarted. Let's not
support this any more until a proper solution is found in MDL-26454.
MDL-43146 enrol_imsenterprise: missing sesskey protection