updated version

Author: fehguy

README.md

@@ -18,7 +18,7 @@ The Swagger Specification has undergone 3 revisions since initial creation in 20
 
 Swagger Codegen Version | Release Date | Swagger Spec compatibility | Notes
 ----------------------- | ------------ | -------------------------- | -----
-2.1.1-M2-SNAPSHOT                | 2015-04-06   | 1.0, 1.1, 1.2, 2.0   | [master](https://github.com/swagger-api/swagger-codegen)
+2.1.0                | 2015-06-09   | 1.0, 1.1, 1.2, 2.0   | [master](https://github.com/swagger-api/swagger-codegen)
 2.0.17                  | 2014-08-22   | 1.1, 1.2      | [tag v2.0.17](https://github.com/swagger-api/swagger-codegen/tree/v2.0.17)
 1.0.4                   | 2012-04-12   | 1.0, 1.1      | [tag v1.0.4](https://github.com/swagger-api/swagger-codegen/tree/swagger-codegen_2.9.1-1.1)
 
@@ -155,6 +155,7 @@ There are different aspects of customizing the code generator beyond just creati
 
 ```
 $ ls -1 modules/swagger-codegen/src/main/java/io/swagger/codegen/languages/
+AkkaScalaClientCodegen.java
 AndroidClientCodegen.java
 AsyncScalaClientCodegen.java
 CSharpClientCodegen.java
@@ -167,6 +168,7 @@ PhpClientCodegen.java
 Python3ClientCodegen.java
 PythonClientCodegen.java
 Qt5CPPGenerator.java
+RetrofitClientCodegen.java
 RubyClientCodegen.java
 ScalaClientCodegen.java
 ScalatraServerCodegen.java
@@ -175,6 +177,7 @@ StaticDocCodegen.java
 StaticHtmlGenerator.java
 SwaggerGenerator.java
 SwaggerYamlGenerator.java
+SwiftGenerator.java
 TizenClientCodegen.java
 ```