Author: Julien Boulen
MDL-60036 block_online_users: complete string about online users
- add 3 varations of "x online users" string
- change string format from "x minutes: x online users" to "x online users (x minutes)"
- factorize some duplicated code
http://git.moodle.org/gw?p=moodle.git;a=commit;h=6c519fe4d7586ef41ee7acddb207d29c4512485c
http://github.com/moodle/moodle/commit/6c519fe4d7586ef41ee7acddb207d29c4512485c
+ 3.5 en [nouser,block_online_users]
+ 3.5 en [numuser,block_online_users]
+ 3.5 en [numusers,block_online_users]