[gtk-doc/wip/tintou/cmake-content-files] (9 commits) ...Merge branch 'master' into 'wip/tintou/cmake-content-files'

[Corentin Noël <corentinnoel src gnome org>]

Summary of changes:

  bdd4b1b... scangobj: keep quotes when splitting with shlex (*)
  0ffa6eb... gtkdoc-scangobj: allow to pass --{c,ld}flags multiple times (*)
  fdf9b46... cmake: copy the XML file before using it (*)
  9b8ab13... mkhtml2: Pass tree_node to get_titles for error reporting. (*)
  cbd9a2f... Add a flavour for no-xslt builds. (*)
  0e6e36a... Merge branch 'scangobj-quotes-fix' into 'master' (*)
  e37b083... Add a comment explaining previous change. (*)
  b69c8f7... Merge branch 'wip/tintou/create-xml-before-use' into 'maste (*)
  f556027... Merge branch 'master' into 'wip/tintou/cmake-content-files'

(*) This commit already existed in another branch; no separate mail sent