changed implicit names in ops/hlists see #240
`take` method on coproducts
Changes in coproducts `split` and `splitC` signatures so that they can be called with an integer argument
Changes in coproducts `rotateLeft` and `rotateRight` signatures so that they can be called with an integer argument
`drop` method on coproducts
Merge pull request #245 from alexarchambault/takedropcoproduct

Added take and drop operations to coproduct
Merge pull request #246 from alexarchambault/coproductsignatures

Changes in the signatures of some methods of coproduct
Changes in coproduct split implicits. Fixes https://github.com/milessabin/shapeless/issues/247
Merge pull request #248 from alexarchambault/coproductsplit

Changes in coproduct split implicits
Bumped Scala version to 2.11.3.
Bumped Scala version to 2.11.3; added warning about SBT 0.13.6 and name hashing.
Reverted update to broken Scala 2.11.3.
Keep track of prefix when referring to companion objects.
added ops.coproduct.Basis + CoproductOps.embed
Added HMap test using objects as keys.
Merge pull request #249 from mandubian/sub-coproduct

Coproduct.embed/Basis (converts Sub-Coproduct to Super-Coproduct)
Merge pull request #250 from filinep/hmapObjectKeyExample

Added HMap test using objects as keys.
Prioritizes coproduct remove implicits. Fixes https://github.com/milessabin/shapeless/issues/251.
Merge pull request #252 from alexarchambault/coproductremove

Prioritizes coproduct remove implicits.
Added inverse method to coproduct Remove