Add matcher factory companion objects containing an implicit conversion from the factory to a matcher a la the magnet pattern.


git-svn-id: http://scalatest.googlecode.com/svn/trunk@5154 fd1274fd-080f-5963-8033-43ee40fcd1de
Tweak Scaladoc.


git-svn-id: http://scalatest.googlecode.com/svn/trunk@5155 fd1274fd-080f-5963-8033-43ee40fcd1de