Don't break SI-2066 (non-trans)#328

Merged

larsrh merged 5 commits intoscalaz:scalaz-sevenfrom

S11001001:topic/hk-ev-variance

Apr 25, 2013

Commits on Apr 8, 2013

Remove some unused variance, with a little remaining breakage in Free.
S11001001
committed

Commits on Apr 9, 2013

Backtrack a lot; scalac tricked me.
S11001001
committed

Commits on Apr 10, 2013