[spice-gtk/f22] (7 commits) ...Keep --enable-vala for gtk3 build

[Marc-André Lureau]

Summary of changes:

  f98709a... Rebuild for phodav soname bump (*)
  f32c5b7... Update phodav devel package name (*)
  f6ccf6d... Update to spice-gtk v0.28 (*)
  0ecdc9e... Add --enable-webdav (*)
  82f9a53... Remove with_gtk3 (*)
  e75b6ae... Remove libtool dependency (*)
  74d0593... Keep --enable-vala for gtk3 build (*)

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