0.21

• Restore inline spell-check, replace the previous GtkSpell
  dependency with a dependency on pygtkspellcheck
  • http://koehlma.github.com/projects/pygtkspellcheck.html
• Add partial support for fancy Unicode dashes, ellipses and
  quotation marks in text correction patterns and "Toggle dialogue
  dashes" action
• Fix search dialog mnemonics
• Apply GNOME Goal: Remove markup in translatable messages