Limit resolve scope when completing in module sources

idea/idea-analysis/src/org/jetbrains/kotlin/idea/caches/resolve/scopeUtils.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2015 JetBrains s.r.o.
+ * Copyright 2010-2016 JetBrains s.r.o.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -31,7 +31,7 @@ fun getResolveScope(file: KtFile): GlobalSearchScope {
     }
 
     return when (file.getModuleInfo()) {
-        is ModuleSourceInfo -> file.resolveScope
+        is ModuleSourceInfo -> KotlinSourceFilterScope.sourceAndClassFiles(file.resolveScope, file.project)
         else -> GlobalSearchScope.EMPTY_SCOPE
     }
 }