0.17

• Add "Save All As" (under the Projects menu) to save all open
  documents with selected properties (fixes #595685)
• Add an inline spell-check for editable multiline text fields (off
  by default, can be activated in the preferences dialog)
• Add support for milliseconds (field $MILLISECONDS) in preview
  commands. Allows use of Media Player Classic for preview.
• Add help button in the preferences dialog, clickable in the
  preview tab to launch web browser to view wiki documentation
• Use reading speed (characters per second) instead of optimal
  duration (seconds per character) in duration adjust dialog
• Fix writing subtitle file headers with chosen newlines
• Fix reading and writing extension configurations
• Fix minor i18n issues with individual strings
• Add optional dependency of PyGtkSpell (part of gnome-python-extras)
• Add --mandir global option to setup.py to allow installation of
  man pages to somewhere else than .../share/man (fixes #620665)
• Add Finnish translation