[clutter-gst] Created tag 3.0.18

[Lionel Landwerlin <llandwerlin src gnome org>]

The unsigned tag '3.0.18' was created.

Tagger: Lionel Landwerlin <llandwerlin gmail com>
Date: Sun Mar 20 16:43:29 2016 +0000

    3.0.18

Changes since the last tag '3.0.16':

Chris Mayo (3):
      documentation: fix typo in video_sink_get_frame return value
      documentation: add missing parameter description for content_new_with_sink
      documentation: add CameraManager

Jonny Lamb (1):
      video-player: ensure background is opaque black

Lionel Landwerlin (2):
      build: Post release bump to 3.0.17
      build: Release 3.0.18