Please, merge. All source files now use UTF8 encoding

The changes affect ONLY comments. 

Files in the source tree have full Babylon of encodings in comments
- UTF8
- Win1251
- KOI8 (only in one file)
- Combination of UTF8 and Win1251 in the same file

All the files now use UTF8. Note that the word 'бля' that is now readable there