Author: Sara Arjona
MDL-71119 core_badges: Add more information to errors
Some errors raised when calling external services were ignored.
Displaying this information helps to debug and find the real reasons
why some action, like connecting to an external backpack, can't be
done.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=81da134c2cd7efa9b0aa744f2e6621141e0938bc
http://github.com/moodle/moodle/commit/81da134c2cd7efa9b0aa744f2e6621141e0938bc
+ 3.9 en [oauth2refreshtokenerror,core_error]