Create belarusan localization

* Add a line to goldendict.pro
* Add the be_BY.ts file into the locale directory
Update belarusian translation
Update the belarusian translation
Update belarusian translate
Update belarusian translate
Update belarusian translation
Merge branch 'master' into be-l10n
Update belarusian translate
Update belarusian translate
Update belarusian translation
Update belarusian translate
Merge branch 'master' into be-l10n
Update be_BY.ts file
Update belarusian translation
Update belarusian translation

Fix some mistakes
Add the be_BY@latin.ts file

Add belarusian translation in latin alphabet
Add belarusian translation

Merge branch 'be-l10n':
* Add be_BY.ts
* Add be_BY@latin.ts