[gnome-control-center] (7 commits) Non-fast-forward update to branch gbsneto/build-system-improvements

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

The branch 'gbsneto/build-system-improvements' 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:

  0b6fe68... project: Move build files to build-aux
  928b0b8... project: Add a development flatpak manifest
  cf8ac0f... build: Add build profiles
  2b4d441... window: Change headerbar color on development builds
  bf2772d... window: Warn about flatpak builds
  2187c55... project: Update gitignore

Commits added to the branch:

  c5417d8... project: Update gitignore
  8ae16f3... docs: Document style of comments
  df49052... project: Move build files to build-aux
  0873629... project: Add a development flatpak manifest
  90b799b... build: Add build profiles
  810dc0b... window: Change headerbar color on development builds
  dd3b47a... window: Warn about flatpak builds