Merge pull request #46 from Behat/master

Added all drivers but Zombie have a bug
Fixed dependency version of mink
Fixed dependency version of mink
Fixes by @stof coments
Merge branch 'v1.4.x' of github.com:66Ton99/MinkBundle into v1.5.x
Fixed sahi url
Merge branch 'v1.4.x' of github.com:66Ton99/MinkBundle into v1.5.x
Merge pull request #50 from 66Ton99/v1.5.x

V1.5.x in to master