Mute grant warnings when opening the documentation.
Mute grant warnings when opening the documentation.

Fixes #1574

the8472/greasemonkey,Ventero/greasemonkey,HasClass0/greasemonkey,HasClass0/greasemonkey,Martii/greasemonkey,Martii/greasemonkey,Ventero/greasemonkey,the8472/greasemonkey