Lower case the event name
Merge pull request #2052 from fredj/apidoc

apidoc: display the event name in lower case
Fix icon rendering on hidpi devices
Do not hide the first word of returns
Make sure that links are clickable

Because we set a padding of 50px on anchorable elements to make
sure they are not obscured by the header, we need to raise the
z-index of links so they are not obscured by these paddings.
Merge pull request #2051 from ahocevar/fix-returns

Apidoc: first word of '@return' not displayed
Merge pull request #2055 from elemoine/icon-hidpi

Fix icon rendering on hidpi devices