Submerge 3.4.1

- Support for outlined font styles. Check Preferences->Subtitles.
- Now keeps the text encoding when editing a subtitle file in an external editor.
- FFmpeg updated to the 3.1.2 "Laplace" release.
- Fixed a rare but horrible memory leak.

Submerge 3.4

- New action menu for subtitle files.
- Change the language metadata tag for a subtitle file.
- Force the text writing direction (Automatic, Right to Left, Left to Right).
- Export a subtitle file into various formats like, SRT, STL, WebVTT and more.
- Reveal the subtitle file in Finder.
- Remove the subtitle file.
- Reverted back to FFmpeg 3.0 because of a memory leak in 3.1.