Author: Paul Holden
MDL-66135 tool_uploadcourse: support custom course fields.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=d62fc08ed9c7b083cea63dd522e8c72b0b3034c3
http://github.com/moodle/moodle/commit/d62fc08ed9c7b083cea63dd522e8c72b0b3034c3
+ 3.9 en [defaultvaluescustomfieldcategory,tool_uploadcourse]
+ 3.9 en [customfieldinvalid,tool_uploadcourse]