x [nscl] Fixed JavaScript access to CSS rules broken on
Chromium when unrestricted CSS is disabled - issue #204
x Prevent Chromium builds from being sent to AMO for signing
x [nscl] Fixed CPU/RAM overload on some pages with
unrestricted CSS disabled but scripting enabled (not
recommended setting) - issue #194, issue #199
x [nscl] Fixed CPU spikes on Chromium triggered by automatic
file downloads (thanks ptheborg for report)