bem/bem-core — pull request #554 by ololobus (2014-06-17 15:35:06+00:00)
Title: Return an original string if decode failed

Сделал логику эквивалетной аналогичному блоку в `bem-bl`:
https://github.com/bem/bem-bl/blob/dev/blocks-common/i-jquery/__decodeuri/i-jquery__decodeuri.js