Merge pull request #2609 from vlakoff/develop-2

Fix $replace parameter handling in get_config()
Kill the damn kitten
Lower precision for the CI_Benchmark::elapsed_time() test - there's no way to reliably test it
Better transliteration for Russian and Ukrainian languages
Merge pull request #2614 from noskov/develop

Better transliteration for Russian and Ukrainian languages
[ci skip] Fix a documentation error
Add changelog entry for #2609
Merge pull request #2612 from vlakoff/documentation

Add changelog entries for #2609
Code cleanup in db->order_by()