Conflicts:
lib/upgrade.txt
get_fast_modinfo(). Purging all caches and every core upgrade purges course modinfo cache as well.
If function get_fast_modinfo() is called for multiple courses make sure to include field cacherev in course
object.
+* Internal (noreply and support) user support has been added for sending/receiving message.
+ Use core_user::get_noreply_user() and core_user::get_support_user() to get noreply and support user's respectively.
+ Real users can be used as noreply/support users by setting $CFG->noreplyuserid and $CFG->supportuserid
+ * New function readfile_allow_large() in filelib.php for use when very large files may need sending to user.
DEPRECATIONS:
Various previously deprecated functions have now been altered to throw DEBUG_DEVELOPER debugging notices