Author: yair.spielmann
MDL-59512 tool_oauth2: add option for basic authentication
http://git.moodle.org/gw?p=moodle.git;a=commit;h=afcb4cd69a345234d2f0de278c5fe9d31ae6dbb7
http://github.com/moodle/moodle/commit/afcb4cd69a345234d2f0de278c5fe9d31ae6dbb7
+ 3.4 en [usebasicauth,tool_oauth2]
+ 3.4 en [usebasicauth_help,tool_oauth2]