Send compiler output to stderr instead of stdout

Test only stderr in kotlinc test now and move the '-script' test to integration
tests where both stdout and stderr is tested

compiler/integration-tests/src/org/jetbrains/kotlin/CompilerSmokeTest.java

@@ -69,4 +69,8 @@ public class CompilerSmokeTest extends KotlinIntegrationTestBase {
         runCompiler("test.compile", "-src", "test.kt", "-jar", jar);
     }
 
+    @Test
+    public void simpleScript() throws Exception {
+        runCompiler("script", "-script", "script.kts", "hi", "there");
+    }
 }

compiler/integration-tests/src/org/jetbrains/kotlin/KotlinIntegrationTestBase.java

@@ -62,13 +62,18 @@ public abstract class KotlinIntegrationTestBase {
                     new File(getKotlinProjectHome(), "compiler" + File.separator + "integration-tests" + File.separator + "testData");
             testDataDir = new File(baseTestDataDir, description.getMethodName());
         }
-
     };
 
+    static {
+        System.setProperty("java.awt.headless", "true");
+    }
+
     protected int runCompiler(String logName, String... arguments) throws Exception {
         File lib = getCompilerLib();
 
-        String classpath = lib.getAbsolutePath() + File.separator + "kotlin-compiler.jar";
+        String classpath = lib.getAbsolutePath() + File.separator +
+                           "kotlin-compiler.jar" + File.pathSeparator +
+                           getKotlinRuntimePath();
 
         Collection<String> javaArgs = new ArrayList<String>();
         javaArgs.add("-cp");

compiler/integration-tests/testData/compilationFailed/hello.compile.expected

@@ -1,7 +1,6 @@
-OUT:
-ERROR: [TestData]/hello.kt: (4, 5) Unresolved reference: a
 
 ERR:
+ERROR: [TestData]/hello.kt: (4, 5) Unresolved reference: a
 exec() finished with COMPILATION_ERROR return code
 
 Return code: 1

compiler/integration-tests/testData/simpleScript/script.expected

@@ -0,0 +1,5 @@
+OUT:
+hi
+there
+
+Return code: 0

compiler/integration-tests/testData/simpleScript/script.kts

@@ -0,0 +1,3 @@
+for (arg in args) {
+    println(arg)
+}

compiler/integration-tests/testData/syntaxErrors/test.compile.expected

@@ -1,7 +1,6 @@
-OUT:
-ERROR: [TestData]/test.kt: (4, 20) Expecting an element
 
 ERR:
+ERROR: [TestData]/test.kt: (4, 20) Expecting an element
 exec() finished with COMPILATION_ERROR return code
 
 Return code: 1