[gnome-builder] Created tag 3.30.0

[Christian Hergert <chergert src gnome org>]

The signed tag '3.30.0' was created.

Tagger: Christian Hergert <chergert redhat com>
Date: 1536124362 -0700

    release 3.30.0

Changes since the last tag '3.29.92':

Anders Jonsson (1):
      Update Swedish translation

Ask Hjorth Larsen (2):
      Updated Danish translation
      Updated Danish translation

Balázs Meskó (1):
      Update Hungarian translation

Changwoo Ryu (1):
      Update Korean translation

Christian Hergert (5):
      completion: allow disabling interactive completion
      snippets: add get/set property snippet
      theme: use color from theme in greeter flowboxchild selection
      buildconfig: fix environment duplication
      release 3.30.0

Daniel Șerbănescu (1):
      Update Romanian translation

Emin Tufan Çetin (1):
      Update Turkish translation

Fran Dieguez (3):
      Update Galician translation
      Update Galician translation
      Update Galician translation

Kukuh Syafaat (1):
      Update Indonesian translation

Marek Cernocky (1):
      Updated Czech translation

Mario Blättermann (1):
      Update German translation

Milo Casagrande (1):
      Update Italian translation

Piotr Drąg (1):
      Update Polish translation

Rafael Fontenelle (1):
      Update Brazilian Portuguese translation

Sebastian Rasmussen (1):
      Update Swedish translation

Yotam Nachum (1):
      Added text explanation to Diagnostics