Merge remote-tracking branch 'origin/master' into go_to_implementation_pr

Refactored goToImplementation out of services

src/server/protocol.d.ts

@@ -1156,6 +1156,11 @@ declare namespace ts.server.protocol {
           *  Optional limit on the number of items to return.
           */
         maxResultCount?: number;
+        /**
+          * Optional flag to indicate we want results for just the current file
+          * or the entire project.
+          */
+        currentFileOnly?: boolean;
     }
 
     /**