#813 @before and @after annotations
Added functional test for @beforeClass and @afterClass
Failing test, with hack to make it pass
Merge branch 'befor_after' into before_after_single_test
Added support for @before and @after
Making setUp() and tearDown() part of the new design
Improved regular expressions
Introducing ensureIsStatic()
Update composer requirements to allow symfony/yaml 2.3 or greater

Also add /vendor to the gitignore
Merge pull request #902 from tommygnr/composer-symfony2.3
Sync with b2ba9a6.
Ignore composer's lock file.
Added the changelog entry for #902.
Merge branch '3.7'
Merge branch 'before_after_single_test' of github.com:giorgiosironi/phpunit into giorgiosironi-before_after_single_test
Fix CS.
Added changelog entry for #813.