init Qt fonts at program startup
init Qt fonts at program startup

This gets it out of being mixed into the GL code, and
there was not much reason not to.
(I hope there isn't a performance effect?  Anyway, they're
not inited if the user passes --help or --version, only when
there is actual simulation.)

Lasercake/Lasercake,elidupree/Lasercake,Lasercake/Lasercake,elidupree/Lasercake,idupree/Lasercake,elidupree/Lasercake,idupree/Lasercake,Lasercake/Lasercake,Lasercake/Lasercake,elidupree/Lasercake,idupree/Lasercake,elidupree/Lasercake,idupree/Lasercake,idupree/Lasercake,Lasercake/Lasercake,elidupree/Lasercake,elidupree/Lasercake,idupree/Lasercake,idupree/Lasercake