[gtk/matthiasc/for-master] (15 commits) ...Add a forgotten export

[Matthias Clasen <matthiasc src gnome org>]

Summary of changes:

  c5829bd... fallback-c89: Try to make isnanf work (*)
  43e5ca9... docs: Fix annotations (*)
  c3a90b7... Add missing separator (*)
  1a47239... Fix annotations for gtk_cclosure_expression_new() (*)
  b9269d5... Annotate the GtkFunctionListItemFactory constructor (*)
  4877bb5... columnviewcolumn: Add a visible property (*)
  2d5cf2b... Drop fallback-c89.c (*)
  55b9aa0... Merge branch 'ebassi/annotations' into 'master' (*)
  73fdb8f... Drop GtkCoverFlow for now (*)
  173e919... Merge branch 'matthiasc/for-master' into 'master' (*)
  cbe81fd... Merge branch 'drop-fallback-c89' into 'master' (*)
  06946c3... Update Ukrainian translation (*)
  931d68b... Merge branch 'drop-coverflow' into 'master' (*)
  f5cc2c0... Merge branch 'column-visible' into 'master' (*)
  1995ad6... Add a forgotten export

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