MDL-30575 more mail header cleanup
MDL-30575 yet more mail header cleanup
MDL-20198: wiki module: fixed grouping access in wiki. Credit goes to Dong Kim(kimx0794@umn.edu).
MDL-20198: wiki module: extend Dong's patch to fixed grouping access to view/edit wiki..
MDL-30610 new environment requirements for 2.3
MDL-28948 - lib - removed the hard coded key for the rc4encryt function.
Merge branch 'wip-MDL-28948-MOODLE_19_STABLE' of git://github.com/abgreeve/moodle into MOODLE_19_STABLE
Merge branch 'MDL-20198c_m19' of git://github.com/rwijaya/moodle into MOODLE_19_STABLE
weekly release 1.9.15+
MDL-29294 qtype match restore problem on Oracle.
MDL-29917 prevent form autocompletion in most Moodle forms

The password autocompletion in case of Moodle makes sense only on the login page, the form autocompletion in general is most probably useful only on the user signup page.

This patch is compatible with html 5, unfortunately we have to ignore strict warnings in legacy xhtml 1.0 standard.
MDL-13572 do not send messages to invalid addresses
MDL-29844 Administration: Added new config for users to login for viewing profile image
Merge branch 'w52_MDL-29917_m19_autocomplete' of git://github.com/skodak/moodle into MOODLE_19_STABLE
Merge branch 'wip-mdl-29844-m19' of git://github.com/rajeshtaneja/moodle into MOODLE_19_STABLE
weekly release 1.9.15+
Moodle release 1.9.16
Merge branch 'MDL-29294_19' of git://github.com/timhunt/moodle into MOODLE_19_STABLE
weekly release 1.9.16+
MDL-31055 backport disabledIf fix from 2.0. (MDL-27045)