Make Bind for Name and Need nonstrict; include ap to reduce suspension tree size.
Distributive Name, Need, and Value.
Update core/src/main/scala/scalaz/package.scala

Presumably Unwriter's variance annotations need updating too.
Added some support for Nothing
Merge branch 'scalaz-seven' of https://github.com/scalaz/scalaz into scalaz-seven
HListFunc
Merge pull request #175 from eed3si9n/topic/hlistfunc

HListFunc (Composition of functor functions)
Tiny optimisation to the Semigroup for Map.
Merge pull request #172 from refried/patch-2

Add variance annotations to Unwriter type alias
Merge pull request #168 from S11001001/topic/nonstrict-name-bind

Bind for Name and Need too strict; also Distributive.
comonad tests for Name, Need and Value
Provide instances/functions for immutable.IndexedSeq, not the mutable/immutable shared trait.
Merge pull request #177 from S11001001/topic/immutable-indexedseq-only

Provide instances/functions for immutable.IndexedSeq, not the mutable/im...
Preparing scalaz-seven for 2.10.x

* Bump specs2 version, fix ambigous implicit
* Bump SBT version
* Fix various compile errors

This build doesn't execute all tests, and produces piles of feature
warnings.
remove unneeded type annotation
fix test execution with new specs2 version
Use 2.9.2 as the default version, disable parallel test execution.
Derived left/right biases for Bifoldable and Bitraverse.
Fix parseBoolean for Scala 2.10
remove .sbtrc, which caused a problem with SBT 0.12.1