add privacy option

[Filip988]

Add gui option for set useragent to chrome /webkit (safari) we can add also json/yaml config files for that can be developed by devs and imported by users if any missing

[Jon]

Thanks for submitting an idea to the Mozilla Connect community! Your idea is now open to votes (aka kudos) and comments.

[dmehic-mozilla]

There are plenty of add-ons that cover this functionality. I suggest you take a look at what the https://addons.mozilla.org/ offers.