Author: Bas Brands
MDL-66388 h5p: add h5p atto button
http://git.moodle.org/gw?p=moodle.git;a=commit;h=297f7e411c8297fca950eb56f38ae62d04b1cc03
http://github.com/moodle/moodle/commit/297f7e411c8297fca950eb56f38ae62d04b1cc03
+ 3.8 en [enterurl,atto_h5p]
+ 3.8 en [h5pproperties,atto_h5p]
+ 3.8 en [invalidh5purl,atto_h5p]
+ 3.8 en [pluginname,atto_h5p]
+ 3.8 en [privacy:metadata,atto_h5p]
+ 3.8 en [h5p:addembed,atto_h5p]
+ 3.8 en [saveh5p,atto_h5p]