Overview of changes in gnome-calculator 3.19.90
* New: Upgrade license for all source files to GPLv3+ (Michael Catanzaro)
* New: Use Soup instead of GVFS to download the IMF/ECB currency data (Alberto Ruiz)
* Fix: Silence a compiler warning (Michael Catanzaro)
* Fix: Remove Lithuanian litas from currency list (Michael Catanzaro)
* Fix: Fix use of GtkStyleContext for GTK+ 3.20 (Michael Catanzaro)
* Fix: Clarify license on number.vala (Michael Catanzaro)
* Fix: Clarify license on mpfr.vapi (Michael Catanzaro)
* Fix: Installed tests: Update expectations (Matthias Clasen)
* Fix: Set the accessible name on the mode chooser (Matthias Clasen)
* Fix: Do not reset second currency on first currency change, fixes #260166 (Robert Roth)
* Fix: Fix Chinese Yuan symbol, fixes #761075 (Alberto Ruiz)
* Fix: Add a missing tag to the AppData file (Richard Hughes)
* Update: Upgrade appdata (Michael Catanzaro)
* Update: Translation (Translation team)