fix shell command injection
add way to test command under windows
change command to which available under most unix systems

agree i will change it which is available under suse, ubuntu, debian, fedora, bsd
remove volatile tests

Some tests relying on timings and external network resources were not
reliable and occasionally made builds on Travis fail.
Merge branch '2.3' into 2.4

* 2.3:
  [HttpKernel] added an analyze of environment parameters for built-in server.
  change command to which available under most unix systems
  add way to test command under windows
  fix shell command injection
  [Form] allowed CallbackTransformer to use callable
  [Process] Added process synchronization to the incremental output tests
Merge branch '2.4' into 2.5

* 2.4:
  [HttpKernel] added an analyze of environment parameters for built-in server.
  change command to which available under most unix systems
  add way to test command under windows
  fix shell command injection
  [Form] allowed CallbackTransformer to use callable
  [Process] Added process synchronization to the incremental output tests
Merge branch '2.3' into 2.4

* 2.3:
  [Validator] Backported constraint validator tests from 2.5
  Fix toolbar vertical alignment.
  [HttpFoundation] MongoDbSessionHandler supports auto expiry via configurable expiry_field
  [FrameworkBundle] add missing attribute to XSD
  Allow basic auth in url. Improve regex. Add tests.
  fix typos and syntax in Profiler controller method comments
  remove volatile tests
  [Console] fixed style creation when providing an unknown tag option
  [Validator] Convert objects to string in comparison validators. Reapplies 6cf5e0812e6f20d60acbc0324abf96475e89b6ef
  [HttpFoundation] Update QUERY_STRING when overrideGlobals

Conflicts:
	src/Symfony/Bridge/Doctrine/Tests/Validator/Constraints/UniqueValidatorTest.php
	src/Symfony/Component/HttpFoundation/Tests/RequestTest.php
	src/Symfony/Component/Validator/Constraints/AllValidator.php
	src/Symfony/Component/Validator/Constraints/CollectionValidator.php
	src/Symfony/Component/Validator/Tests/Constraints/AbstractComparisonValidatorTestCase.php
	src/Symfony/Component/Validator/Tests/Constraints/CallbackValidatorTest.php
	src/Symfony/Component/Validator/Tests/Constraints/EqualToValidatorTest.php
	src/Symfony/Component/Validator/Tests/Constraints/FileValidatorTest.php
	src/Symfony/Component/Validator/Tests/Constraints/GreaterThanValidatorTest.php
	src/Symfony/Component/Validator/Tests/Constraints/IdenticalToValidatorTest.php
	src/Symfony/Component/Validator/Tests/Constraints/ImageValidatorTest.php
	src/Symfony/Component/Validator/Tests/Constraints/LessThanOrEqualValidatorTest.php
	src/Symfony/Component/Validator/Tests/Constraints/LessThanValidatorTest.php
	src/Symfony/Component/Validator/Tests/Constraints/NotEqualToValidatorTest.php
	src/Symfony/Component/Validator/Tests/Constraints/NotIdenticalToValidatorTest.php
	src/Symfony/Component/Validator/Tests/Constraints/UrlValidatorTest.php
Merge branch '2.4' into 2.5

* 2.4:
  [Validator] Backported constraint validator tests from 2.5
  [Validator] Backported constraint validator tests from 2.5
  Fix toolbar vertical alignment.
  [HttpFoundation] MongoDbSessionHandler supports auto expiry via configurable expiry_field
  [FrameworkBundle] add missing attribute to XSD
  Allow basic auth in url. Improve regex. Add tests.
  fix typos and syntax in Profiler controller method comments
  remove volatile tests
  [Console] fixed style creation when providing an unknown tag option
  [Validator] Convert objects to string in comparison validators. Reapplies 6cf5e0812e6f20d60acbc0324abf96475e89b6ef
  [HttpFoundation] Update QUERY_STRING when overrideGlobals

Conflicts:
	src/Symfony/Bridge/Doctrine/Tests/Validator/Constraints/UniqueEntityValidatorTest.php
	src/Symfony/Bundle/FrameworkBundle/Tests/DependencyInjection/Fixtures/xml/full.xml
	src/Symfony/Component/Console/Tests/Formatter/OutputFormatterTest.php
	src/Symfony/Component/Form/Tests/Extension/Validator/Constraints/FormValidatorTest.php
	src/Symfony/Component/Security/Core/Tests/Validator/Constraints/UserPasswordValidatorTest.php
	src/Symfony/Component/Validator/Constraints/AllValidator.php
	src/Symfony/Component/Validator/Constraints/ChoiceValidator.php
	src/Symfony/Component/Validator/Constraints/CollectionValidator.php
	src/Symfony/Component/Validator/Constraints/ExpressionValidator.php
	src/Symfony/Component/Validator/Tests/Constraints/AbstractConstraintValidatorTest.php
	src/Symfony/Component/Validator/Tests/Constraints/AllValidatorTest.php
	src/Symfony/Component/Validator/Tests/Constraints/BlankValidatorTest.php
	src/Symfony/Component/Validator/Tests/Constraints/CallbackValidatorTest.php
	src/Symfony/Component/Validator/Tests/Constraints/CardSchemeValidatorTest.php
	src/Symfony/Component/Validator/Tests/Constraints/ChoiceValidatorTest.php
	src/Symfony/Component/Validator/Tests/Constraints/CollectionValidatorTest.php
	src/Symfony/Component/Validator/Tests/Constraints/CountValidatorTest.php
	src/Symfony/Component/Validator/Tests/Constraints/CountryValidatorTest.php
	src/Symfony/Component/Validator/Tests/Constraints/CurrencyValidatorTest.php
	src/Symfony/Component/Validator/Tests/Constraints/DateTimeValidatorTest.php
	src/Symfony/Component/Validator/Tests/Constraints/DateValidatorTest.php
	src/Symfony/Component/Validator/Tests/Constraints/EmailValidatorTest.php
	src/Symfony/Component/Validator/Tests/Constraints/ExpressionValidatorTest.php
	src/Symfony/Component/Validator/Tests/Constraints/FalseValidatorTest.php
	src/Symfony/Component/Validator/Tests/Constraints/FileValidatorTest.php
	src/Symfony/Component/Validator/Tests/Constraints/GroupSequenceTest.php
	src/Symfony/Component/Validator/Tests/Constraints/IbanValidatorTest.php
	src/Symfony/Component/Validator/Tests/Constraints/ImageValidatorTest.php
	src/Symfony/Component/Validator/Tests/Constraints/IpValidatorTest.php
	src/Symfony/Component/Validator/Tests/Constraints/IsbnValidatorTest.php
	src/Symfony/Component/Validator/Tests/Constraints/IssnValidatorTest.php
	src/Symfony/Component/Validator/Tests/Constraints/LanguageValidatorTest.php
	src/Symfony/Component/Validator/Tests/Constraints/LengthValidatorTest.php
	src/Symfony/Component/Validator/Tests/Constraints/LocaleValidatorTest.php
	src/Symfony/Component/Validator/Tests/Constraints/LuhnValidatorTest.php
	src/Symfony/Component/Validator/Tests/Constraints/NotBlankValidatorTest.php
	src/Symfony/Component/Validator/Tests/Constraints/NotNullValidatorTest.php
	src/Symfony/Component/Validator/Tests/Constraints/NullValidatorTest.php
	src/Symfony/Component/Validator/Tests/Constraints/RangeValidatorTest.php
	src/Symfony/Component/Validator/Tests/Constraints/RegexValidatorTest.php
	src/Symfony/Component/Validator/Tests/Constraints/TimeValidatorTest.php
	src/Symfony/Component/Validator/Tests/Constraints/TrueValidatorTest.php
	src/Symfony/Component/Validator/Tests/Constraints/TypeValidatorTest.php
	src/Symfony/Component/Validator/Tests/Constraints/UrlValidatorTest.php
	src/Symfony/Component/Validator/Tests/Fixtures/StubGlobalExecutionContext.php
Merge branch '2.5'

* 2.5: (37 commits)
  [Validator] Backported constraint validator tests from 2.5
  [Validator] Backported constraint validator tests from 2.5
  [DIC] Fixed: anonymous services are always private
  Fix toolbar vertical alignment.
  [HttpFoundation] MongoDbSessionHandler supports auto expiry via configurable expiry_field
  [Validator] Fix little typo in ExecutionContextInterface::buildViolation() method comments
  fix dependencies on HttpFoundation component
  [FrameworkBundle] add missing attribute to XSD
  Allow basic auth in url. Improve regex. Add tests.
  fix typos and syntax in Profiler controller method comments
  resolve parameters before the configs are processed
  add symfony/yaml suggestion to composer.json
  [HttpKernel] added an analyze of environment parameters for built-in server.
  remove volatile tests
  [Console] fixed style creation when providing an unknown tag option
  change command to which available under most unix systems
  add way to test command under windows
  fix shell command injection
  [Form] allowed CallbackTransformer to use callable
  [Process] Added process synchronization to the incremental output tests
  ...

Conflicts:
	src/Symfony/Component/Form/Extension/Validator/Constraints/FormValidator.php
	src/Symfony/Component/HttpKernel/Kernel.php
	src/Symfony/Component/HttpKernel/composer.json
	src/Symfony/Component/Validator/Constraints/AllValidator.php
	src/Symfony/Component/Validator/Constraints/CollectionValidator.php
	src/Symfony/Component/Validator/Constraints/LegacyAllValidator.php
	src/Symfony/Component/Validator/Constraints/LegacyCollectionValidator.php
	src/Symfony/Component/Validator/Tests/Constraints/FileValidatorTest.php