MDict: append orphan style in the end, related to goldendict/goldendict#271
MDict: ltrim unprintable characters from filename
Win-specific: Add volume and rate tuning for TTS, fix some errors
Lupdate all translations, update Russian translation
A little more informative messages about Bass library errors (and couple of other changes)
Clean-up stray <a> tags in some broken MDX dictionaries.
Updates for Tajik language

New additions translated into Tajik!
Merge pull request #277 from Ibragimov/master

Translation updates for Tajik Language
Support large dictionary files; indexing speed improvement