scalaz/scalaz — pull request #129 by folone (2012-08-10 17:52:09+00:00)
Title: Changed Validation's Semigroup instance. Again.

Hello.
I was [shown](http://stackoverflow.com/questions/11903968/does-scalaz-have-something-to-accumulate-in-both-error-and-success#comment15849937_11905824), that after merge, `Validation`'s `Semigroup` instance went back to the old state, before #114. Is this an intended change, or just a copy of the old branch state?
This pull request returns the instance back, to the state, described in #114.