Gnome Subtitles 0.1 is out

Numerous changes are present in this release:
- Added find/replace functionality, including searching with regular expressions
- New artwork by Stefan A. Keel (Sak)
- New keyboard shortcuts for the most used features (see list on Help page):
* Undo - Ctrl+Z
* Redo - Shift+Ctrl+Z or Ctrl+Y
* Insert Subtitle Before - Shift+Ctrl+Return
* Insert Subtitle After - Ctrl+Return
* Find - Ctrl+F
* Find Previous - Shift+Ctrl+G or Shift+F3
* Find Next - Ctrl+G or F3
* Replace - Ctrl+H
* Help contents - F1
- Now works with the latest mono and gtk-sharp versions
- Updated the way subtitles are selected, focused and scrolled, should have a more natural feel now
- Major global refactoring
- When using "Save As", the current timing mode is updated to that of the new subtitle format

Bug fixes:
- Find and Replace option (#363410)
- "Save as" not working (#382278)
- Close button in "About" window does not work (#383797)
- Ctrl+Up/Down now scrolls too besides selecting the previous/next subtitle