Alass Versions Save

• implement correction of common framerates
• about twice as fast as before
• choose default configuration based on statistics from real data

Fixes problems with .mkv files (issue #3).

This release is nearly a complete rewrite!

It...

• ...is faster
• ...can synchronize subtitles directly to videos
• ...has more options to fine tune the synchronization algorithm

...compared to the previous version of the program known as aligner.