Further scaladoc adjustments in fixture package.
Fleshed out Scaladoc in scalautils, primarily NormalizingEquality.
Merge branch 'scaladoc-7' of https://github.com/cheeseng/scalatest
Fleshed out Scaladoc, primarily of Uniformity, Normalization, and NormalizingEquality.
Fleshed out scalautils Scaladoc, primarily NormalizingEquivalence.
Fleshed out Scaladoc of Prettyfier, PrettyMethods, and TolerantNumerics.