[l10n] Updated Catalan translation
[l10n] Updated Catalan (Valencian) translation
Fix crash pressing super/subscript buttons when equation has trailing whitespace
Use a header bar on the preferences dialog

https://bugzilla.gnome.org/show_bug.cgi?id=729903
appdata: update license fields

Also, add the required copyright notice
Updated Scottish Gaelic translation
Added "text-button" style to the menu button on the header bar

https://bugzilla.gnome.org/show_bug.cgi?id=730427
appdata: fix spelling of metadata_license tag
Releasing 3.13.2
Try not to strip null string in gcalccmd.
Reset text in new function name input box.

Original patch submitted by ZZromanZZ@gmail.com.
See Bug #729699 for more details.
Add a search provider

The search provider will display exactly one result if and only if the
search term can be converted to an equation of the form recognized by
GNOME Calculator. If a result is activated, Calculator will be launched
displaying the equation.

https://bugzilla.gnome.org/show_bug.cgi?id=729518