Author: Mark Webster
MDL-81685 communication_matrix: Adds Matrix homeserver name setting
Allows setting a homeserver name for instances where
usernames do not follow the pattern @user:homeserverurl
http://git.moodle.org/gw?p=moodle.git;a=commit;h=fd6d8a582e9de0b02506c359287384fbe2ffffa2
http://github.com/moodle/moodle/commit/fd6d8a582e9de0b02506c359287384fbe2ffffa2
+ 4.4 en [matrixhomeservername,communication_matrix]
+ 4.4 en [matrixhomeservername_desc,communication_matrix]
+ 4.4 en [matrixhomeserverurl_desc,communication_matrix]