Bumped sbt-pgp version to 0.8.
Build for Scala 2.10.1; only use CrossVersion.full for Scala snapshots.
Sealing HNil trait eliminates non-exhaustiveness warning.
Eliminate deprecation warning.
Merge branch 'master' into scala-2.9.x

Conflicts:
	examples/src/main/scala/shapeless/examples/staging.scala
	project/Build.scala
Drop support for Scala < 2.9.2.
Add package prefix to appease Scaladoc < 2.10.
Revert "Disabled a couple of tests which are problem with the current 2.11.0-SNAPSHOT."

This reverts commit e17474c5ad00fe0557c19e7c433d4e313d873961.
Revert "Comment out test currently not compiling with 2.11.0-SNAPSHOT."

This reverts commit 8478e951d88e390f91a165ef14e3fb9d04d6ca6b.
Merge branch 'master' into scala-2.9.x
Scala 2.11.0-SNAPSHOT support moved to its own branch.
Fixed Sized.unapplySeq for 2.11.0-SNAPSHOT and improve test.
Added support for compile-time testing of non-compilation.
Merge branch 'master' into scala-2.9.x
Adapted non-compilation tests for Scala 2.9.x.