Cleanup in idea plugin modules, misc

idea/kotlin-android-plugin/src/org/jetbrains/kotlin/android/KotlinOutputParserHelper.kt

@@ -129,7 +129,7 @@ private fun Int.skipDriveOnWin(line: String): Int {
 private fun addMessage(message: Any?, messages: MutableList<Any>): Boolean {
     if (message == null) return false
     var duplicatesPrevious = false
-    val messageCount = messages.size()
+    val messageCount = messages.size
     if (messageCount > 0) {
         val lastMessage = messages.get(messageCount - 1)
         duplicatesPrevious = lastMessage == message

idea/kotlin-android-plugin/src/org/jetbrains/kotlin/android/navigation/gotoResourceHelper.kt

@@ -31,7 +31,7 @@ import org.jetbrains.kotlin.psi.psiUtil.getReceiverExpression
 import org.jetbrains.kotlin.psi.KtExpression
 
 fun getReferenceExpression(element: PsiElement?): KtSimpleNameExpression? {
-    return PsiTreeUtil.getParentOfType<KtSimpleNameExpression>(element, javaClass<KtSimpleNameExpression>())
+    return PsiTreeUtil.getParentOfType<KtSimpleNameExpression>(element, KtSimpleNameExpression::class.java)
 }
 
 // given 'R.a.b' returns info for all three parts of the expression 'a', 'b', 'R'