Make ValidatorServiceProvider work with both 2.1 and 2.2 of symfony/validator

Closes #584, #585.
merged branch igorw/validator-2.2 (PR #606)

This PR was merged into the master branch.

Commits
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310d316 Make ValidatorServiceProvider work with both 2.1 and 2.2 of symfony/validator

Discussion
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Make ValidatorServiceProvider work with both 2.1 and 2.2 of symfony/validator

Closes #584, #585.

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by davedevelopment at 2013-01-23T14:59:35Z

:+1: Let's get this in
Updated HttpCacheServiceProvider documentation
merged branch javiereguiluz/update_http_cache_doc (PR #605)

This PR was squashed before being merged into the master branch (closes #605).

Commits
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b6606a7 Updated HttpCacheServiceProvider documentation

Discussion
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Updated HttpCacheServiceProvider documentation

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by igorw at 2013-01-23T12:38:25Z

:+1:
[WIP] Make test suite run against symfony/* 2.2
merged branch igorw/travis-2.2 (PR #607)

This PR was squashed before being merged into the master branch (closes #607).

Commits
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dc8ee5d [WIP] Make test suite run against symfony/* 2.2

Discussion
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[WIP] Make test suite run against symfony/* 2.2

There are still quite a few tests failing. Feel free to send PRs my way.
fixed some tests for Symfony 2.2
Make test ignore JSON semantics
merged branch davedevelopment/fix-json-test (PR #608)

This PR was merged into the master branch.

Commits
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48ec9b1 Make test ignore JSON semantics

Discussion
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Make test ignore JSON semantics

One fix for Symfony 2.2, related to #607 and symfony/symfony#5506