Merge pull request #29 from unkmas/master

Скрытие примеров к определением
Yet another awesome SQL query
Good SQL ain't enough
Better scores computing
Make tables better
Well, I forget the name of that method
Remove parentheses in /synsets
Be polite for a moment
Try POSIX regular expressions in PostgreSQL
Actually, map's there
I hate programming
Improve the /editor search mechanism
Add editor#set_default_synset_word
Well, that association is called words
Set default definition for synset
Definitions and words with default first