[AppStream] AppStream 0.11.1 released!

[Matthias Klumpp]

Another AppStream release with a good chunk of big changes. This
release took exceptionally long to complete, for the next releases we
will be back to a faster release cycle again.

Tarballs available here: http://www.freedesktop.org/software/appstream/releases

Version 0.11.1
~~~~~~~~~~~~~~
Released: 2017-07-02

Notes:
 * This release contains refactoring of the XML/YAML parsers and some
other changes that are more invasive
   than usual.

Features:
 * qt: Add new getters/setters and classes to be on par with the
GObject library (Jan Grulich)
 * qt: Add AS::Metadata class used for parsing desktop and appstream
metadata files (Jan Grulich)
 * Refactor the XML parser and serialization code (Matthias Klumpp)
 * Refactor the YAML parser and emitter code (Matthias Klumpp)
 * Implement 'service' component type (Matthias Klumpp)
 * Improve speed of metainfo description parsing slightly (Matthias Klumpp)
 * test: Add additional testcase for reading metainfo description tags
(Matthias Klumpp)
 * test: Test metainfo descriptions starting with enumerations (Matthias Klumpp)

Specification:
 * doc: Add Distro Packaging page (Jeremy Bicha)
 * doc: Add "service" components and their launchables (Marius Vollmer)
 * Allow components to provide other components (provides -> id)
(Matthias Klumpp)

Bugfixes:
 * doc: Uncomment line in middle of paragraph (Jeremy Bicha)
 * doc: A releases tag is not essential for components, but summary is
(Matthias Klumpp)
 * Allow descriptions to start with an enumeration (Matthias Klumpp)
 * Ensure we always update with fresh data when refreshing the cache
(Matthias Klumpp)
 * Replace invalid components in the pool with new ones of the same
name (Matthias Klumpp)
 * Resolve a few potential bugs (found by static checks) (Matthias Klumpp)
 * xml: Check if we are trying to parse a real component (Matthias Klumpp)

Translation:
 * Spanish
   - Adolfo Jayme-Barrientos
 * Hungarian
   - Balázs Úr
 * Dutch
   - Heimen Stoffels
 * Russian
   - Igor
 * French
   - Jean-Baptiste
 * Lithuanian
   - Moo
 * Czech
   - Pavel Borecki
 * Polish
   - Piotr Drąg
 * Ukrainian
   - Yuri Chornoivan
 * Serbian (latin)
   - Слободан Симић(Slobodan Simić)