Update coverage plugin

Author: rozza

project/plugins.sbt

@@ -5,7 +5,7 @@ addSbtPlugin("org.scalastyle" %% "scalastyle-sbt-plugin" % "0.8.0")
 
 addSbtPlugin("org.scalariform" % "sbt-scalariform" % "1.6.0")
 
-addSbtPlugin("org.scoverage" % "sbt-scoverage" % "1.6.0")
+addSbtPlugin("org.scoverage" % "sbt-scoverage" % "1.6.1")
 
 libraryDependencies += "org.scoverage" %% "scalac-scoverage-runtime" % "1.4.0"