MUnit v0.7.0

Pull Requests

• Allow using MUnit assertions in ScalaCheck props (#76) @gabro
• Move ScalaCheck integration into the toplevel package and add documentation (#72) @gabro
• Fix munit-scalacheck module name (#74) @gabro
• Use SCALAJS_VERSION=0.6.32 for 2.12.11 support (#73) @gabro