Bulgarian translation

[Rabbit]

Translation for EPIM v 8.01
- Completely revised from the top to the bottom;
- Now the list of phrases is arranged by their number;
- 100% translated strings (compared with English.lng);
- Added missing phrases;
- Edited existing translations and typo fixing;
- Changed three-dot spaced ellipsis "..." to single sign horizontal ellipsis "…" (U+2026) for saving space in UI;
- Other minor fixes.

Tested on EssentialPIM 8.01 Free Portable and EssentialPIM Pro 8.01.

[Yavor Roev]

Translation for EPIM v 9.1
- 100% translated strings, compared with Russian.lng (ProgramVersion=9.1)
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Tested on EssentialPIM Pro 9.4

[Yavor Roev]

Translation for EPIM v 9.5.2
- 100% translated strings, compared with Russian.lng (ProgramVersion=9.1)
- Minor fixes.