[Routing] add support for path-relative and scheme-relative URL generation
[Routing] added tests for generating relative paths and network paths
[Routing] made reference type fully BC and improved phpdoc considerably
fix phpdoc of UrlGeneratorInterface that missed some exceptions and improve language of exception message
[Form] Prevent trigger of E_USER_DEPRECATED for new API
[HttpFoundation] Update docblock for non-working method
[Form] Fix for `DateTimeToStringTransformer`
updated CHANGELOG for 2.0.21
updated VERSION for 2.0.21
updated CHANGELOG for 2.1.6
updated VERSION for 2.1.6
bumped Symfony version to 2.1.7-DEV
bumped Symfony version to 2.0.21-DEV
add preferred_query option to ModelType

This enables the ModelChoiceList to use 'preferred_choices' of the parent ChoiceType.
use preferred_choices in favor of preferred_query
HttpUtils must handle RequestMatcher too
merged branch stloyd/bugfix/tests_form (PR #6440)

This PR was merged into the 2.1 branch.

Commits
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8beee64 [Form] Fix for `DateTimeToStringTransformer`

Discussion
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[Form] Fix for `DateTimeToStringTransformer`

Closes: #6429

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by stloyd at 2012-12-21T08:19:11Z

@fabpot @bschussek Could you review this ? Thanks =)

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by stloyd at 2012-12-23T13:51:36Z

Ping @fabpot (without this every PR gets false fail results from Travis-CI)
Merge branch '2.1'

* 2.1:
  bumped Symfony version to 2.1.7-DEV
  updated VERSION for 2.1.6
  updated CHANGELOG for 2.1.6
  [Form] Fix for `DateTimeToStringTransformer`

Conflicts:
	src/Symfony/Component/HttpKernel/Kernel.php
Hebrew validator - added some missing validator keys
merged branch excelwebzone/validator (PR #6476)

This PR was merged into the master branch.

Commits
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b32c37d Hebrew validator - added some missing validator keys

Discussion
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Hebrew validator - added some missing validator keys