Firefox Hash Jump fix

[arthurshlain]

//Do we need to change the hash?
if(self.config.changeHash) {
/window.location.hash = newLoc;/
if(history.pushState) {
history.pushState(null, null, newLoc);
}
else {
location.hash = newLoc;
}
}

[tonkberlin]

@Rechtsamwald