[dconf] Created tag 0.31.2

[Daniel Playfair Cal <danielplayfaircal src gnome org>]

The signed tag '0.31.2' was created.

Tagger: Daniel Playfair Cal <daniel playfair cal gmail com>
Date: 1549318391 +1100

    Release 0.31.2

Changes since the last tag '0.31.1':

Daniel Playfair Cal (3):
      Merge branch 'optional-vapi' into 'master'
      Merge branch 'update-doc' into 'master'
      Update NEWS file

Marek Kasik (1):
      Increment version to 0.31.2

Marek Kašík (1):
      Merge branch 'prepare-0-31-1' into 'master'

Philip Withnall (1):
      Merge branch 'goodbye-vala' into 'master'

Tomasz Miąsko (5):
      tests: Add integration test for dconf blame
      bin: Rewrite dconf utility in C
      tests: Add a simple test case for help and update.
      bin: Document update command directory argument
      build: Make dconf client vapi installation optional