[gtk] (5 commits) Non-fast-forward update to branch asan-ci

[Matthias Clasen <matthiasc src gnome org>]

The branch 'asan-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:

  93eb6ba... ci: Add libasan and libubsan to the image
  3d52598... ci: Use the fedora:v18 image
  264400a... ci: Set LSAN_OPTIONS for tests
  caec595... ci: Add a build with asan

Commits added to the branch:

  c7b1dc7... ci: Add libasan and libubsan to the image
  0c08ca4... ci: Use the fedora:v20 image
  6dbf6eb... ci: Set LSAN_OPTIONS for tests
  866f5ec... ci: Add a build with asan
  097ddad... ci: Mention image layering in the README