Add externalAnnotations ant test and ant-1.8

compiler/integration-tests/testData/externalAnnotations/root1/a/j/annotations.xml

@@ -0,0 +1,5 @@
+<root>
+  <item name='j.Java java.lang.String f()'>
+    <annotation name='org.jetbrains.annotations.NotNull'/>
+  </item>
+</root>

compiler/integration-tests/testData/externalAnnotations/root1/b/j/annotations.xml

@@ -0,0 +1,5 @@
+<root>
+  <item name='j.Java java.lang.String f2()'>
+    <annotation name='org.jetbrains.annotations.NotNull'/>
+  </item>
+</root>

compiler/integration-tests/testData/externalAnnotations/root1/hello.kt

@@ -0,0 +1,9 @@
+package hello
+
+fun main(args : Array<String>) {
+    for (s in arrayList("a"))
+      println("Hello, $s!")
+    val java: String = j.Java().f()
+    val hello: String = j.Java().f2()
+    println("$java $hello")
+}

compiler/integration-tests/testData/externalAnnotations/root1/j/Java.java

@@ -0,0 +1,20 @@
+package j;
+
+import org.jetbrains.annotations.NotNull;
+
+import java.lang.String;
+import java.lang.System;
+
+public class Java {
+    public String f() {
+        return "Java";
+    }
+
+    public String f2() {
+        return "Hello";
+    }
+
+    public static void main(String[] args) {
+        hello.HelloPackage.main(new String[] {});
+    }
+}