Completion: do not bold top-level functions

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

@@ -40,7 +40,10 @@ public object KotlinLookupElementFactory {
             DescriptorUtils.unwrapFakeOverride(descriptor)
         else
             descriptor
-        val bold = boldImmediateMembers && descriptor is CallableMemberDescriptor && descriptor.getKind() == CallableMemberDescriptor.Kind.DECLARATION
+        val bold = boldImmediateMembers
+                   && descriptor is CallableMemberDescriptor
+                   && descriptor.getContainingDeclaration() is ClassifierDescriptor
+                   && descriptor.getKind() == CallableMemberDescriptor.Kind.DECLARATION
         return createLookupElement(analyzer, _descriptor, DescriptorToSourceUtils.descriptorToDeclaration(_descriptor), bold)
     }
 

idea/testData/completion/basic/common/ImmediateMembers5.kt

@@ -1,3 +1,5 @@
+fun globalFun(){}
+
 trait T {
     fun fromTrait(){}
 }
@@ -22,3 +24,4 @@ class Derived : Base() {
 // EXIST: { itemText: "fromBase", attributes: "" }
 // EXIST: { itemText: "hashCode", attributes: "" }
 // EXIST: { itemText: "equals", attributes: "" }
+// EXIST: { itemText: "globalFun", attributes: "" }