[grilo] Created tag grilo-0.3.8

[Victor Toso <victortoso src gnome org>]

The signed tag 'grilo-0.3.8' was created.

Tagger: Victor Toso <me victortoso com>
Date: 1563202394 +0200

    Release 0.3.8

Changes since the last tag 'grilo-0.3.7':

Andre Klapper (1):
      Replace Bugzilla by Gitlab URL in DOAP file

Bastien Nocera (8):
      build: Build docs by default
      core: Stop using compatibility type macros internally
      doc: Ignore private headers
      core: Fix documentation for GrlPluginDescriptor
      doc: Add 29 symbols to the API documentation
      core: Remove some obsolete compatibility macros
      doc: Fix documentation for GRL_PLUGIN_DEFINE()
      pls: Simplify thumbnail validity handling

Efstathios Iosifidis (1):
      Update Greek translation

Iñaki Larrañaga Murgoitio (1):
      Update Basque translation

Jordi Mas (1):
      Update Catalan translation

Marinus Schraal (1):
      media: Fix get_last_played annotation

Nathan Follens (1):
      Update Dutch translation

Sumaid Syed (2):
      Remove existing trailing whitespaces
      grl-metadata-key: Add metadata keys for MB Release ID and MB Release Group ID

Victor Toso (3):
      Post-release version bump to 0.3.8
      core: deprecate mb-album-id metadata-key and related API
      Release 0.3.8