Fix subtitle dialog with bigger fonts (DPI to 125 and 150%)

- 0004357: [Bug] list index out of bounds (0) - in text style editor (wesson) - resolved.
- 0004348: [Bug] text editor window cut off (wesson) - resolved.

Key features:
Audio Editing and Manipulations
Crossfading between audio clips. Multi-tracks and simultaneous playback. Tools for editing of an audio clip (start time, duration, fade in, fade out, time offset, etc). Envelope Tool for an audio clip.
Animated GIF Support
In addition to animated GIFs, professionals can use manually animated PNG/JPEG images specially processed in a graphical editor.
New Features in the Objects and Animation Editor
Better usability, special improvements for editing of 3D objects. Reworked a tree of objects with icons. Automatic naming of new objects.
Video Output for iPad and iPhone 4
Watch slideshow in HD quality on mobile device.
1080p for YouTube Output
FullHD quality for your slideshows now.
Facebook Output (1080p)
Share your slideshows with your friends on Facebook.
Improvements in Slides
A new feature "Insert blank slide". Name of slides displayed in the Slide list. Improved "Go to Slide..." of objects which can use a name of a slide in addition to a slide number. "Show Next/Previous slide" buttons in Slide properties window.

fixes for rare crashes