removed the .gitattributes files (closes #6605, reverts #5674)
[Process] In edge cases `getcwd()` can return `false`, then `proc_open()` should get `null` to use default value (the working dir of the current PHP process)
Removed underscores from test method names to be consistent with other components.

It is more common to use fully camel-cased names for test methods. Only some of the test methods are called with underscore notation. To avoid confusion it is better to be consistent.
Merge branch '2.0' into 2.1

* 2.0:
  Fix version_compare() calls for PHP 5.5.
  [Process] In edge cases `getcwd()` can return `false`, then `proc_open()` should get `null` to use default value (the working dir of the current PHP process)

Conflicts:
	src/Symfony/Component/Form/Extension/Core/ChoiceList/MonthChoiceList.php
fixes a bug when output/error output contains a % character
[Process] Fix docblocks, remove `return` from `PhpProcess#start()` as parent returns nothing, cleaned up `ExecutableFinder`
merged branch stloyd/bugfix/process_phpdocs (PR #6626)

This PR was merged into the 2.1 branch.

Commits
-------

a62e04f [Process] Fix docblocks, remove `return` from `PhpProcess#start()` as parent returns nothing, cleaned up `ExecutableFinder`

Discussion
----------

[2.1][Process] Fix docblocks, remove `return` from `PhpProcess#start()`
fixed CS
Merge branch '2.1'

* 2.1:
  [Yaml] fixed default value
  Added Yaml\Dumper::setIndentation() method to allow a custom indentation level of nested nodes.
  added a way to enable/disable object support when parsing/dumping
  added a way to enable/disable PHP support when parsing a YAML input via Yaml::parse()
  fixed CS
  [Process] Fix docblocks, remove `return` from `PhpProcess#start()` as parent returns nothing, cleaned up `ExecutableFinder`
  fixes a bug when output/error output contains a % character
  [Console] fixed input bug when the value of an option is empty (closes #6649, closes #6689)
  [Profiler] [Redis] Fix sort of profiler rows.
  Fix version_compare() calls for PHP 5.5.
  Removed underscores from test method names to be consistent with other components.
  [Process] In edge cases `getcwd()` can return `false`, then `proc_open()` should get `null` to use default value (the working dir of the current PHP process)
  Fix version_compare() calls for PHP 5.5.
  Handle the deprecation of IntlDateFormatter::setTimeZoneId() in PHP 5.5.
  removed the .gitattributes files (closes #6605, reverts #5674)
  [HttpKernel] Clarify misleading comment in ExceptionListener

Conflicts:
	src/Symfony/Bundle/WebProfilerBundle/Resources/views/Profiler/toolbar_style.html.twig
	src/Symfony/Component/Form/Tests/Extension/Core/Type/DateTimeTypeTest.php
	src/Symfony/Component/Form/Tests/Extension/Core/Type/TimeTypeTest.php
	src/Symfony/Component/Form/Tests/Util/PropertyPathTest.php
	src/Symfony/Component/HttpKernel/Profiler/RedisProfilerStorage.php
	src/Symfony/Component/Process/Process.php