Documenting how we should use the versionadded tag - see https://groups.google.com/forum/#!msg/symfony-devs/-6HAQgAB2LY/uBSx8uYJQdQJ
askAndConfirm should return user's input to properly work.
Fixed typos
fixed filename, thanks to @rpmsk
[#1382] Fixed jQuery bug
Merge pull request #2157 from WouterJ/patch-6

[Book] Fixed filename in flat to php article
[#772] Adding more details on rendering the repeated form field type
Merge branch '2.0' into 2.1
[#772] Removing unnecessary rendering of parent repeated field's errors, which is not needed in 2.1
Improved jQuery code
Fixed sphinx syntax
Fixed code, thanks to @stof
Moving registering extension above loading config in DI code sample
Adding notes about Extension registration to the DI component
Adding a note about finding more examples of working with DI definitions
Re-adding deleted semicolon
Removing unused use statements from code sample
[#961] Clarifying what the DomDocument component is intended to do / not do - thanks to @jakzal
Merge pull request #2158 from WouterJ/issue_1382

[Cookbook/Form] Fixed jQuery bug
Merge branch '2.0' into 2.1

Conflicts:
	cookbook/form/form_collections.rst