merge method for \/
update to Scalacheck 1.11.0
Merge pull request #580 from bmjames/either-merge

Either merge
Move composition law from Applicative to new Apply laws.
Move associativity & bind/ap consistency laws from Monad to Bind.
Merge pull request #586 from S11001001/topic/apply-bind-laws

Apply & Bind laws
Merge pull request #583 from larsrh/topic/scalacheck-1.11

update to Scalacheck 1.11.0
Bind instance for scala.Map
Bind instance for scalaz.==>>

https://github.com/ekmett/semigroupoids/blob/v4.0/src/Data/Functor/Bind.hs#L472-L474
add test for `scalaz.==>>`
add test for `scala.Map`
Merge pull request #584 from xuwei-k/map-bind

add Map Bind instance
deprecated StackLens and StackLensFamily

https://github.com/scala/scala/commit/3cc99d7b4aa43b1#diff-25
https://github.com/scala/scala/blob/v2.11.0-M7/src/library/scala/collection/immutable/Stack.scala#L50
Merge pull request #588 from xuwei-k/deprecated-stack

deprecated StackLens and StackLensFamily
update Scala 2.11.0-M7
Merge pull request #589 from xuwei-k/2110-M7

update Scala 2.11.0-M7
Added foldMap for Free
Added foldRight for Free