* Much faster duplicate event check in ass_process_chunk.
* Interpret negative timestamp components as actual negative numbers.
* Look up fonts that contain PostScript outlines by their PostScript
name instead of their full names. Family names continue to be used for all fonts.
* Keep spaces in font names
* Drop support for Fontconfig < 2.10.92 to ensure correct font matching
* Fix some small memory leaks, potential crashes and bad data uses
OBS-URL: https://build.opensuse.org/package/show/multimedia:libs/libass?expand=0&rev=35
