merged branch vitman/patch-1 (PR #871)

merged branch vitman/patch-1 (PR #871)

This PR was squashed before being merged into the master branch (closes #871).

Commits
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b89163d Update lib/Twig/Extension/Core.php

Discussion
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Update lib/Twig/Extension/Core.php

Added support for setted default timezone for twig date functions.

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by henrikbjorn at 2012-10-26T07:19:02Z

This have the same problem as the other PR you created. See php.net/datetime for reference.