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

Merge pull request FriendsOfSymfony#152 from lolautruche/contextHashS…

…ymfonyReverseProxy

Implemented Symfony reverse proxy support for user context hash.

Merge pull request FriendsOfSymfony#145 from FriendsOfSymfony/fix-exp…

…ressionlanguage-dependency

fix expression language dependency to only use with expressions