Fix a few code style issues

Author: Rolf-Smit

plugin/src/main/kotlin/org/neotech/plugin/rootcoverage/RootCoveragePlugin.kt

@@ -15,7 +15,7 @@ import org.gradle.testing.jacoco.tasks.JacocoReport
 @Suppress("unused")
 class RootCoveragePlugin : Plugin<Project> {
 
-    private lateinit var rootProjectExtension: RootCoveragePluginExtension;
+    private lateinit var rootProjectExtension: RootCoveragePluginExtension
 
     override fun apply(project: Project) {
         if (project.rootProject !== project) {
@@ -142,7 +142,7 @@ class RootCoveragePlugin : Plugin<Project> {
         val extension = subProject.extensions.findByName("android")
         if (extension == null) {
             // TODO support java modules?
-            subProject.logger.warn("Note: Skipping code coverage for module '${subProject.name}', currently the RootCoveragePlugin does not yet support Java Library Modules.");
+            subProject.logger.warn("Note: Skipping code coverage for module '${subProject.name}', currently the RootCoveragePlugin does not yet support Java Library Modules.")
             return
         } else if (extension is com.android.build.gradle.FeatureExtension) {
             // TODO support feature modules?

plugin/src/test/kotlin/org/neotech/plugin/rootcoverage/CsvCoverageReport.kt

@@ -24,7 +24,7 @@ class CoverageReport private constructor(
         find(packageName, className).assertFullCoverageCoverage()
     }
 
-    fun find(packageName: String, className: String): CSVRecord? = records.find {
+    private fun find(packageName: String, className: String): CSVRecord? = records.find {
         it[packageColumn] == packageName && it[classColumn] == className
     }
 

plugin/src/test/kotlin/org/neotech/plugin/rootcoverage/util/SystemOuputWriter.kt

@@ -8,7 +8,7 @@ import java.io.Writer
  * adding extra new lines to the generated output in the console. This is a small fix for that, it
  * might not be the fastest, but it works.
  */
-class SystemOutputWriter private constructor(private val output: OutputStream) : Writer() {
+class SystemOutputWriter private constructor(output: OutputStream) : Writer() {
 
     private val bufferedWriter = output.bufferedWriter(Charsets.UTF_8)