Allow for Kotlin class resolution

core/descriptor.loader.java/src/org/jetbrains/jet/lang/resolve/java/JavaDescriptorResolver.java

@@ -111,7 +111,7 @@ public class JavaDescriptorResolver implements DependencyClassByQualifiedNameRes
 
                                 @Override
                                 public ClassDescriptor resolveClassByFqName(FqName name) {
-                                    return null;
+                                    return javaResolverCache.getClassResolvedFromSource(name);
                                 }
                             },
                             externalAnnotationResolver,

core/descriptor.loader.java/src/org/jetbrains/jet/lang/resolve/java/lazy/LazyJavaSubModule.kt

@@ -68,9 +68,9 @@ public open class LazyJavaSubModule(
 
         override fun resolveClassByFqName(fqName: FqName): ClassDescriptor? {
             val jClass = c.finder.findClass(fqName)
-            if (jClass == null) return null
+            if (jClass != null) return resolveClass(jClass)
 
-            return resolveClass(jClass)
+            return outerContext.javaClassResolver.resolveClassByFqName(fqName)
         }
     }
 }

core/descriptor.loader.java/src/org/jetbrains/jet/lang/resolve/java/lazy/descriptors/LazyJavaPackageFragmentScope.kt

@@ -24,7 +24,7 @@ public abstract class LazyJavaPackageFragmentScope(
         val fqName = fqName.child(name)
         val javaClass = c.finder.findClass(fqName)
         if (javaClass == null)
-            null
+            c.javaClassResolver.resolveClassByFqName(fqName)
         else
             LazyJavaClassDescriptor(c.withTypes(TypeParameterResolver.EMPTY), packageFragment, fqName, javaClass)
     }