Author: Sara Arjona
MDL-77086 badges: Improve debugging
Display more information, like the status error, when the badge can't
be sent to the backpack.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=597564d7b4c8187c62b5f92602b8d8059bba2fc0
http://github.com/moodle/moodle/commit/597564d7b4c8187c62b5f92602b8d8059bba2fc0
+ 4.2 en [backpackexporterrorwithinfo,core_badges]