Minor: update junit to 4.11

libraries/kunit/module.kt

@@ -3,7 +3,7 @@ import kotlin.modules.*
 fun project() {
     module("kunit") {
         // TODO how to refer to the dir of the module?
-        classpath += "lib/junit-4.9.jar"
+        classpath += "lib/junit-4.11.jar"
 
         addSourceFiles("src/main/kotlin")
     }

libraries/stdlib/testModule.kt

@@ -2,7 +2,7 @@ import kotlin.modules.*
 
 fun project() {
     module("testlib") {
-        classpath += "lib/junit-4.9.jar"
+        classpath += "lib/junit-4.11.jar"
 
         addSourceFiles("test")
     }

libraries/tools/kdoc/ApiDocsModule.kt

@@ -2,7 +2,7 @@ import kotlin.modules.*
 
 fun project() {
     module("apidocs") {
-        classpath += "../../lib/junit-4.9.jar"
+        classpath += "../../lib/junit-4.11.jar"
 
         addSourceFiles("../../stdlib/src")
         addSourceFiles("../../kunit/src/main/kotlin")

libraries/tools/kdoc/src/test/kotlin/test/kotlin/kdoc/KDocTest.kt

@@ -25,7 +25,7 @@ class KDocTest {
                 "-kotlin-home", "../../../dist/kotlinc",
                 "-d", "target/classes-stdlib",
                 "-no-stdlib",
-                "-classpath", "../runtime/target/kotlin-runtime-0.1-SNAPSHOT.jar${File.pathSeparator}../../lib/junit-4.9.jar",
+                "-classpath", "../runtime/target/kotlin-runtime-0.1-SNAPSHOT.jar${File.pathSeparator}../../lib/junit-4.11.jar",
                 "../../stdlib/src", "../../kunit/src/main/kotlin", "../../kotlin-jdbc/src/main/kotlin"
         )
         Assert.assertEquals(ExitCode.OK, r)