Return a simpler response instead of redirect to AJAX queries.
Return a simpler response instead of redirect to AJAX queries.

This avoids many extra GET requests to '/' when you drag a slider, for
example.

iamthebest77/openx,NitishKSharma/openxc-vehicle-simulator,dhootha/openxc-vehicle-simulator,openxc/openxc-vehicle-simulator,openxc/openxc-vehicle-simulator,worldline-spain/openxc-vehicle-simulator,apiri/openxc-vehicle-simulator,worldline-spain/openxc-vehicle-simulator,dhootha/openxc-vehicle-simulator,apiri/openxc-vehicle-simulator,iamthebest77/openx,iamthebest77/openx,dhootha/openxc-vehicle-simulator,worldline-spain/openxc-vehicle-simulator,NitishKSharma/openxc-vehicle-simulator,NitishKSharma/openxc-vehicle-simulator,openxc/openxc-vehicle-simulator,apiri/openxc-vehicle-simulator