Clean the $attributes explanation.
Add new line at the end of the file.
changes tags to Tags.
Fix the getTransport function.
Add a return line.
Minor tweaks to PR #1471
Fixed typo
[forms][collections] Changing how we access the prototype to be consistent with Symfony 2.1

Both the old and the new syntax work, but due to a BC break in 2.1, only the second is correct in 2.1. To add more consistency between the versions, we're documenting and recommending this change.

This relates to #1486
Merge pull request #1487 from jasongrimes/page_creation_typos

Fix minor typos in page creation documentation.
Add codeblock 'code along with the example'
Merge pull request #1493 from WouterJ/update_validation_code

[Book/Validation] Removed namespace at creating new instance
Merge pull request #1494 from igorw/new-user-security-identity

New user security identity
Merge pull request #1499 from shieldo/improve_wording

[Form] improved English usage (replaced 'based off of' with 'based on')
Merge remote-tracking branch 'origin/2.0' into 2.0
Add a tips about the Build-in web server included in PHP 5.4
Merge pull request #1504 from gajdaw/contribute_patch_exclude

Contribute patch exclude
Corrention of wrong code example. The request service is not available in Commandline (CLI) - You cannot create a service ("request") of an inactive scope
Merge remote-tracking branch 'origin/2.0' into 2.0
Small typo
Fixed the example code for creating an exception listener: the $response was never initialized.