* 2.7:
[SecurityBundle] Removing test insulations for a huge perf win
[Validator] Use the new interface in the README
[Filesystem] fix tests on 2.3
[Filesystem] Recursivly widen non-executable directories
[Form] fix#15544 when a collection type attribute "required" is false, "prototype" should too
updated validators.bg.xlf
[Security] Enable bcrypt validation and result length tests on all PHP versions
[Security] Verify if a password encoded with bcrypt is no longer than 72 characters
[Console] Avoid extra blank lines when rendering exceptions
[Console][Table] fixed render row with multiple cells.
[Yaml] do not remove "comments" in scalar blocks
Conflicts:
src/Symfony/Component/Console/Application.php
src/Symfony/Component/Console/Tests/Fixtures/application_renderexception1.txt
src/Symfony/Component/Console/Tests/Fixtures/application_renderexception2.txt
src/Symfony/Component/Console/Tests/Fixtures/application_renderexception4.txt
src/Symfony/Component/Form/Extension/Core/Type/CollectionType.php
src/Symfony/Component/Form/Tests/Extension/Core/Type/CollectionTypeTest.php
src/Symfony/Component/Yaml/Tests/ParserTest.php
* 2.3:
[Form] fix#15544 when a collection type attribute "required" is false, "prototype" should too
updated validators.bg.xlf
[Security] Enable bcrypt validation and result length tests on all PHP versions
[Security] Verify if a password encoded with bcrypt is no longer than 72 characters
[Console] Avoid extra blank lines when rendering exceptions
[Yaml] do not remove "comments" in scalar blocks
