Speedup travis + Symfony 3.1 compat

Merge pull request #185 from WouterJ/patch-2

Speed up Travis jobs

Symfony 3 compatibility

Merge pull request #179 from Sententiaregum/sf3-support

[WIP] Symfony 3 support

Add missing merge

2.4.3

Merge branch 'doc-improvements'

v2.4.2: Merge pull request #163 from lunetics/doc

docs improvements

Added DomainLocaleGuesser

Merge pull request #142 from coudenysj/feature/domain-locale-guesser

Added a DomainLocaleGuesser

v2.4.0

Merge pull request #137 from lunetics/keep-query-string

keep query string when redirecting

Updates

Merge pull request #120 from EmmanuelVella/patch-2

Coding convention update

New Release

Merge pull request #105 from goetas/allowed-locales-fix

Fixed incompatibility with #101 PR