Behat/Mink — pull request #446 by aik099 (2014-01-14 20:26:24+00:00)
Title: Fixing inconsistencies in NamedSelector xpath expressions

1. excluding `input type=button/reset` from `field` selector
2. removing duplicate xpath code from `button` and `link_or_button` selectors

Related to #441 (covered items 1 and 3).