[NetworkManager-pptp] (6 commits) Non-fast-forward update to branch lr/ci

[Lubomir Rintel <lkundrak src gnome org>]

The branch 'lr/ci' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  525fb5d... build: remove INSTALL
  0d27794... build: file is required by configure
  de1de86... build: find is required by libtool
  5945a6a... build: add GNOME GitLab CI configuration

Commits added to the branch:

  3bce8e2... README: drop useless heading
  a5e33c5... build: don't mark the foreign for automake
  2e076d0... build: remove INSTALL
  3a0386c... build: file is required by configure
  5ea79b1... build: find is required by libtool
  3fa99e9... build: add GNOME GitLab CI configuration