1.4.0

• 54117e2 Merge pull request #205 from FriendsOfSymfony/document-symfony-test-case (David de Boer)
• 1e3138c document the symfony test case (David Buchmann)
• 1741f68 bump composer branch alias (David Buchmann)
• 4b6599f Merge pull request #204 from FriendsOfSymfony/symfony-process-dep (David Buchmann)
• 284476d Note that symfony/process is a requirement for running tests (David de Boer)
• 8332e2e Merge pull request #201 from FriendsOfSymfony/hhvm-symfony-travis (David de Boer)
• 2a8ec17 fix AppKernel and no longer skip symfony cache client tests with hhvm (David Buchmann)
• 64c4acd Merge pull request #193 from FriendsOfSymfony/symfony-cache-client (David de Boer)
• df54ddc add tests for the symfony proxy client (David Buchmann)
• 6d27bc0 Merge pull request #196 from FriendsOfSymfony/cleanup-setup (David de Boer)
• 211c59b cleanup cache setup (David Buchmann)
• d3274be Merge pull request #197 from FriendsOfSymfony/smaller-packages (David Buchmann)
• 8485e9d Exclude files and dirs when building packages (David de Boer)
• 40b24bd adding client for the symfony built-in reverse proxy HttpCache (David Buchmann)
• b56f545 Fix docs line emphasis (David de Boer)
• d39c132 Merge pull request #194 from FriendsOfSymfony/build-matrix (David Buchmann)
• cb7e474 adding more builds to the matrix and adjust to correct lowest requirements (David Buchmann)
• e2fb221 Merge pull request #195 from FriendsOfSymfony/doc-improvements (David Buchmann)
• 645e739 Add link to GitHub (David de Boer)
• b603caa Fix typo (David de Boer)
• bf54037 Don't show version number in title (David de Boer)