update Rails to 4.0.12
Merge pull request #2229 from marutosi/finn/rails4.0.12

update Rails to 4.0.12
Revert "Fix TabularFormBuilder#initialize signature"

This reverts commit 4f9b6d81f4c2108ca48cf07909f50628507ee453.
Removed useless :lang option.

https://github.com/opf/openproject/commit/4f9b6d81f4c2108ca48cf07909f50628507ee453

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extra : convert_revision : svn%3Ae93f8b46-1217-0410-a6f0-8f06a7374b81/trunk%407901
Removed useless :lang option.

Rails4 RP #2104.

https://github.com/opf/openproject/commit/4f9b6d81f4c2108ca48cf07909f50628507ee453

--HG--
extra : convert_revision : svn%3Ae93f8b46-1217-0410-a6f0-8f06a7374b81/trunk%407902