Smart completion: inheritors instantiation suggested + fixed a bug with incorrect presentation of generic java class instantiation

idea/idea-analysis/src/org/jetbrains/jet/plugin/caches/resolve/KotlinCacheService.kt

@@ -68,6 +68,10 @@ public class KotlinCacheService(val project: Project) {
             override fun analyzeFullyAndGetResult(elements: Collection<JetElement>): AnalysisResult {
                 return cache.getAnalysisResultsForElements(elements)
             }
+
+            override fun <T> get(extension: CacheExtension<T>): T {
+                return cache[extension]
+            }
         }
     }
 

idea/idea-analysis/src/org/jetbrains/jet/plugin/caches/resolve/ResolutionFacade.kt

@@ -34,4 +34,6 @@ public trait ResolutionFacade {
     public fun resolveToDescriptor(declaration: JetDeclaration): DeclarationDescriptor
 
     public fun findModuleDescriptor(element: JetElement): ModuleDescriptor
+
+    public fun <T> get(extension: CacheExtension<T>): T
 }