All the setup/teardown/pre/post/conditions template methods
now are required to return void. This was warned with phpunit 7
and now is enforced.
At the same time, fix a few wrong function names,
provider data and param types, return statements...
Existing mod_hvp pluging has a renderer to let Moodle instances
alter styles, Javascript, semantics (fields in the editor) and
content: https://github.com/h5p/moodle-mod_hvp/blob/stable/renderer.php
The approach for core_h5p is exactly the same, to let people
to reuse their existing code.
The implementation done for getOption was not correct because it
was only taking into account the displayoptions for download and
embed.
Besides, setOption implementation has been added.
Eloy Lafuente (stronk7)