Bumped ScalaTest + Play version number to 0.8.0-SNAP5
Merge branch 'scalatestplus-play-docs-2.2.x' of https://github.com/cheeseng/playframework into scalatestplus-play-docs-2.2.x

Conflicts:
	documentation/project/Build.scala
Bump ScalaTest + Play version to 1.0-RC1.
Bumped ScalaTest version to 2.1.5 in documentation, and changed the name of ExampleSpec to StackSpec.