Drop module "ktm" scripts and support java source roots in "xml" modules

Drop kotlin.modules package from runtime
Move adapted classes into compiler
Unsupport files with "ktm" extension
Delete code for loading module scripts
Drop tests for module scripts
Separate section for java source roots in xml script generator/parser

jps-plugin/src/org/jetbrains/kotlin/modules/KotlinModuleXmlBuilder.java

@@ -67,23 +67,19 @@ public class KotlinModuleXmlBuilder {
             p.println("<", SOURCES, " ", PATH, "=\"", getEscapedPath(sourceFile), "\"/>");
         }
 
-        if (!javaSourceRoots.isEmpty()) {
-            processClassPathSection("Java source roots", javaSourceRoots, directoriesToFilterOut);
-        }
-
-        processClassPathSection("Classpath", classpathRoots, directoriesToFilterOut);
+        processJavaSourceRoots(javaSourceRoots);
+        processClasspath(classpathRoots, directoriesToFilterOut);
         processAnnotationRoots(annotationRoots);
 
         closeTag(p, MODULE);
         return this;
     }
 
-    private void processClassPathSection(
-            @NotNull String sectionDescription,
+    private void processClasspath(
             @NotNull Collection<File> files,
             @NotNull Set<File> directoriesToFilterOut
     ) {
-        p.println("<!-- ", sectionDescription, " -->");
+        p.println("<!-- Classpath -->");
         for (File file : files) {
             boolean isOutput = directoriesToFilterOut.contains(file) && !IncrementalCompilation.ENABLED;
             if (isOutput) {
@@ -111,6 +107,13 @@ public class KotlinModuleXmlBuilder {
         }
     }
 
+    private void processJavaSourceRoots(@NotNull List<File> files) {
+        p.println("<!-- Java source roots -->");
+        for (File file : files) {
+            p.println("<", JAVA_SOURCE_ROOTS, " ", PATH, "=\"", getEscapedPath(file), "\"/>");
+        }
+    }
+
     public CharSequence asText() {
         if (!done) {
             closeTag(p, MODULES);