Revert "merged branch jfsimon/issue-6749 (PR #7220)"

This reverts commit f52120bdd33bcc83157fc55ee088a564c727fa59, reversing
changes made to 66c2be30d06bf8c9bee9e07aa57be245763c2478.
[Console] added string input test
[Console] added deprecation annotation
Revert "merged branch jfsimon/issue-6749 (PR #7220)"

This reverts commit f52120bdd33bcc83157fc55ee088a564c727fa59, reversing
changes made to 66c2be30d06bf8c9bee9e07aa57be245763c2478.
[Console] added string input test
[Console] fixed StringInput binding
Merge branch '2.1' into 2.2

* 2.1:
  [FrameworkBundle] Fixes invalid serialized objects in cache
  remove dead code in yaml component
  fixed typo
  RedisProfilerStorage wrong db-number/index-number selected
  [DependencyInjection] added a test for the previous merge (refs #7261)
  Unset loading[$id] in ContainerBuilder on exception
  [Console] fixed StringInput binding
  [Console] added string input test
  Revert "merged branch jfsimon/issue-6749 (PR #7220)"
  fixed CS

Conflicts:
	src/Symfony/Component/Console/Tests/Input/StringInputTest.php
	src/Symfony/Component/HttpKernel/Profiler/RedisProfilerStorage.php
Merge branch '2.2'

* 2.2: (26 commits)
  [FrameworkBundle] Fixes invalid serialized objects in cache
  remove dead code in yaml component
  Fixed typo in UPGRADE-2.2
  fixed typo
  RedisProfilerStorage wrong db-number/index-number selected
  [DependencyInjection] added a test for the previous merge (refs #7261)
  Unset loading[$id] in ContainerBuilder on exception
  Default validation message translation fix.
  remove() should not use deprecated getParent() so it does not trigger deprecation internally
  adjust routing tests to not use prefix in addCollection
  add test for uniqueness of resources
  added tests for addDefaults, addRequirements, addOptions
  adjust RouteCollectionTest for the addCollection change and refactor the tests to only skip the part that really needs the config component
  added tests for remove() that wasnt covered yet and special route name
  refactor interator test that was still assuming a tree
  adjust tests to no use addPrefix with options
  adjusted tests to not use RouteCollection::getPrefix
  [Routing] trigger deprecation warning for deprecated features that will be removed in 2.3
  [Console] fixed StringInput binding
  [Console] added string input test
  ...