Add Firefox compatibility checkbox to options.
Add hard-coded English fallbacks for new pref strings missing in already-installed incomplete language packs
This avoids failure to render due to missing entities.
XML entities are locked in on first match. If present in the language pack, the localized one will be used. If not present, the added hard-coded fallbacks will be used.
Improve active tab display to avoid issues on particularly dark personas.
By default, disable the SSL 3.0 protocol.
Remove redundant redundancy for extension installation.
Fix add-on update checks when not using AMO directly.
Strict cert checks will never work behind an SSL CDN anyway.
Android: avoid server hang-ups due to server-side http-ka-timeout
Fix UA-sniffing devtools insanity for Pale Moon/New Moon branding.
Update domain-specific UA overrides.
Merge branch 'master' into 25.0_RelBranch
Version bump