Merge pull request FriendsOfSymfony#268 from FriendsOfSymfony/symfony-3

Symfony 3

Make tests pass on Symfony 2.8 deprecation notices

Merge pull request FriendsOfSymfony#239 from FriendsOfSymfony/symfony…

…-2.8

Test against Symfony 2.8

Merge pull request FriendsOfSymfony#236 from FriendsOfSymfony/fix-cus…

…tom-client-config

fix how to configure a custom proxy client for the cache manager

Merge pull request FriendsOfSymfony#230 from FriendsOfSymfony/fix-inv…

…alidation-status-codes

Fix invalidation not being triggered for some status codes

updated changelog

Merge pull request FriendsOfSymfony#209 from FriendsOfSymfony/symfony…

…-cache-purge-refresh

load purge and refresh handlers by default

Merge pull request FriendsOfSymfony#204 from FriendsOfSymfony/remove-…

…symfony-fix

Revert our workaround because Symfony is fixed

Merge pull request FriendsOfSymfony#191 from FriendsOfSymfony/fix-build

Fix Travis buid

Merge pull request FriendsOfSymfony#165 from FriendsOfSymfony/logout-…

…handler-optional

Add configuration for logout handler