* New upstream release from the beta channel (FIREFOX_71_0b5_BUILD1)
* Bump build-dep on rustc >= 1.37.0 and cargo >= 0.38
  - debian/control{,.in}
* Add explicit build-dep on libclang-*-dev
  - debian/control{,.in}
* Update patches
  - debian/patches/partially-revert-google-search-update.patch
* Skip Tagalog (tl) and Triqui (trs) localizations
  - debian/config/locales.blacklist
* Include ca-valencia
  - update debian/config/locales.shipped
* Removed patches
  - debian/patches/moz1586216.patch
* Update symbolic icon to match the latest firefox brand update
  (the asset was downloaded from https://mozilla.design/firefox/logos-usage/)
  - debian/symbolic.svg
* Fix a typo in debian/README.Debian.in