addressed CR feedback: rename getApiVersion to getServicesVersion

src/services/services.ts

@@ -15,7 +15,7 @@
 
 module ts {
 
-    export var ScriptAPIVersion = "1.4"
+    export var servicesVersion = "0.4"
 
     export interface Node {
         getSourceFile(): SourceFile;

src/services/shims.ts

@@ -862,8 +862,8 @@ module ts {
         /*
          * Returns script API version.
          */
-        public getApiVersion(): string {
-            return ScriptAPIVersion;
+        public getServicesVersion(): string {
+            return servicesVersion;
         }
 
         public createLanguageServiceShim(host: LanguageServiceShimHost): LanguageServiceShim {