Author: David Monllao
MDL-49085 block_tag_youtube: Using Youtube data api v3
http://git.moodle.org/gw?p=moodle.git;a=commit;h=cc7a4f4b395e2c9f331aa10b1068ba5c3c41d5f0
http://github.com/moodle/moodle/commit/cc7a4f4b395e2c9f331aa10b1068ba5c3c41d5f0
+ 3.0 en [apierror,block_tag_youtube]
+ 3.0 en [apikey,block_tag_youtube]
+ 3.0 en [apikeyinfo,block_tag_youtube]
+ 3.0 en [requesterror,block_tag_youtube]