Add aliases in completion list

Author: mhegazy

src/services/services.ts

@@ -2195,7 +2195,7 @@ module ts {
                 else {
                     isMemberCompletion = false;
                     /// TODO filter meaning based on the current context
-                    var symbolMeanings = SymbolFlags.Type | SymbolFlags.Value | SymbolFlags.Namespace;
+                    var symbolMeanings = SymbolFlags.Type | SymbolFlags.Value | SymbolFlags.Namespace | SymbolFlags.Import;
                     var symbols = typeInfoResolver.getSymbolsInScope(mappedNode, symbolMeanings);
 
                     getCompletionEntriesFromSymbols(symbols, activeCompletionSession);

tests/cases/fourslash/completionListOnAliases.ts

@@ -0,0 +1,15 @@
+/// <reference path='fourslash.ts' />
+
+////module M {
+////    export var value;
+////
+////    import x = M;
+////    /*1*/
+////    x./*2*/
+////}
+
+goTo.marker("1");
+verify.memberListContains("x");
+
+goTo.marker("2");
+verify.memberListContains("value");