[gnac/devel] (14 commits) ...Merge branch 'master' into devel

[David Joaquim <djoaquim src gnome org>]

Summary of changes:

  d8f6971... Updated Slovenian translation (*)
  152352a... Fix problem in debian directory (*)
  f9aedaf... Prevented annoying warnings (*)
  e5c98b4... Checked whether plugin installation is supported (*)
  b54f17e... Added a missing file in POTFILES.in (*)
  6af340f... Minor edit on debian dir (*)
  a2d3282... Added support for Mallard documentation (*)
  99790e9... Updated .gitignore file (*)
  4f4b333... Updated copyright date in 'About Gnac' window (*)
  82055e3... Merge branch 'devel' (*)
  39d051d... Updated German translation (*)
  94474b6... Updated Spanish translation (*)
  baea7eb... Removed markup from GTKBuilder translatable strings (*)
  d1b4615... Merge branch 'master' into devel

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