[AppStream] appstream-glib 0.5.9 released

[Richard Hughes]

Version 0.5.9
~~~~~~~~~~~~~
Released: 2016-02-12

Bugfixes:
 - Accept FSFAP as a valid metadata license (Richard Hughes)
 - Add missing G_BEGIN_DECLS in libappstream-glib/as-tag.h (Andrea Azzarone)
 - Fix a validation error for metainfo files with descriptions (Richard Hughes)
 - Fix dates in NEWS - It's 2016! (Robert Ancell)
 - Pick up newly added appinfo dirs for xdg-app remotes (Alexander Larsson)
 - Update the SPDX license list (Richard Hughes)

Richard.