RestKit/RKValueTransformers — pull request #3 by yeswolf (2013-10-29 12:47:37+00:00)
Title: Not possible to use custom date formatters

We need to separate ISO8601DateFormatterValueTransformer into default transformers from RKObjectMapping. In other case every time we add custom transformers, this transformer will be used and it will not allow to use custom transformer. With such change we can simply remove it from default formatters like other default transformers