Refactor JDR: add explicit binding between java classes and packages for their statics

Get rid of Kind in JavaPackageFragmentDescriptor and create subclass which exposes additional function
Add method in JavaClassDescriptor to get correponding package fragment
Remove JavaDescriptorResolver from context

idea/src/org/jetbrains/jet/plugin/completion/SmartCompletion.kt

@@ -313,7 +313,7 @@ private fun staticMembers(context: JetExpression, expectedType: JetType, resolve
     }
 
     if (classDescriptor is JavaClassDescriptor) {
-        val pseudoPackage = DescriptorResolverUtils.getPackageForCorrespondingJavaClass(classDescriptor)
+        val pseudoPackage = classDescriptor.getCorrespondingPackageFragment()
         if (pseudoPackage != null) {
             pseudoPackage.getMemberScope().getAllDescriptors().filterTo(descriptors, isSuitableCallable)
         }