Merge branch 'release/1.4.2' into develop
Update documentation

[ci skip]
Merge branch 'master' into develop
Merge branch 'master' into develop
Do not fetch entire Symfony2 in travis build
Update list of suggestions for Mink
Added containers for fields assertions.
Added slick PHP expressions.
Bump depencencies constraints
Merge branch 'develop' of github.com:Behat/Mink into develop

Conflicts:
	.travis.yml
Merge pull request #314 from CounselKit/WebAssertContainers

Added containers for fields assertions.
Update changelog
Merge branch 'release/1.4.3'