Completed scaladoc in Sortable.scala.
Completed scaladoc in ValueMapping.scala.
Minor scaladoc adjustment in KeyMapping.scala.
Completed scaladoc for Writability.scala.
Minor adjustment in Readability.scala.
Make TestPendingException a class not a cae class, and use an actual Composifier class for
MatcherProducers instead of a structural subtype.
Merge branch 'master' of https://github.com/scalatest/scalatest
Added Or/Every to scalautils.
Bump ScalaTest version to 2.0.M7.
Added copyright notice to Or/Every files.