[NetworkManager-pptp] Created tag 1.2.8

[Thomas Haller <thaller src gnome org>]

The signed tag '1.2.8' was created.

Tagger: Thomas Haller <thaller redhat com>
Date: 1538644311 +0200

    Tag 1.2.8

Changes since the last tag '1.2.7-dev2':

Douglas Kosovic (1):
      build: --without-gnome fix

Francesco Giudici (1):
      doap: fix typo in mainteiner name/mail

Jordi Mas i Hernandez (1):
      Update Catalan translation

Lubomir Rintel (13):
      doap: update maintainers
      doap: fix validation errors
      doap: align the project name with dist name
      README: drop useless heading
      build: don't mark the foreign for automake
      build: remove INSTALL
      build: file is required by configure
      build: find is required by libtool
      build: add GNOME GitLab CI configuration
      merge: branch 'lr/ci'
      appdata: load images from gitlab.gnome.org
      all: update bug tracker address
      pppd-plugin: use g_strlcpy()

Thomas Haller (2):
      release: update NEWS
      release: bump version to 1.2.8