Merge branch '3.0'

* 3.0: (22 commits)
  Fix backport
  [travis] Upgrade phpunit wrapper & hirak/prestissimo
  [Bridge\PhpUnit] Workaround old phpunit bug, no colors in weak mode, add tests
  [PropertyAccess] Fix isPropertyWritable not using the reflection cache
  [PropertyAccess] Backport fixes from 2.7
  [FrameworkBundle][2.8] Add tests for the Controller class
  [DependencyInjection] Update changelog
  Added WebProfiler toolbar ajax panel table layout css.
  [Validator] use correct term for a property in docblock (not "option")
  [Routing] small refactoring for scheme requirement
  [PropertyAccess] Remove most ref mismatches to improve perf
  [PropertyInfo] Support Doctrine custom mapping type in DoctrineExtractor
  [Validator] EmailValidator cannot extract hostname if email contains multiple @ symbols
  [NumberFormatter] Fix invalid numeric literal on PHP 7
  [Process] fix docblock syntax
  use the clock mock for progress indicator tests
  Use XML_ELEMENT_NODE in nodeType check
  [PropertyAccess] Reduce overhead of UnexpectedTypeException tracking
  [PropertyAccess] Throw an UnexpectedTypeException when the type do not match
  [FrameworkBundle] Add tests for the Controller class
  ...

Conflicts:
	src/Symfony/Bridge/PhpUnit/SymfonyTestsListener.php
	src/Symfony/Bundle/FrameworkBundle/Tests/Controller/ControllerTest.php
	src/Symfony/Bundle/FrameworkBundle/composer.json
	src/Symfony/Component/PropertyAccess/PropertyAccessor.php
	src/Symfony/Component/PropertyAccess/PropertyAccessorInterface.php
	src/Symfony/Component/PropertyAccess/Tests/PropertyAccessorTest.php

Author: nicolas-grekas