update README and screenshot

Author: insanoid

README.md

@@ -5,6 +5,12 @@
 [![Build
 Status](https://travis-ci.org/insanoid/SwiftyJSONAccelerator.svg?branch=master)](https://travis-ci.org/insanoid/SwiftyJSONAccelerator) [![codecov](https://codecov.io/gh/insanoid/SwiftyJSONAccelerator/branch/master/graph/badge.svg)](https://codecov.io/gh/insanoid/SwiftyJSONAccelerator)
 
+**Version v1.2.0 Released!**
+
+- Now supports [Marshal](https://github.com/utahiosmac/Marshal)! One of the fastest JSONSerialisation class out there! [(Read more)](https://github.com/bwhiteley/JSONShootout)
+- Set `class` as `final`.
+- `init` marked as `required` by default for `class`.
+
 **Version v1.1.0 Released!**
 
 - Now generates the correct option `struct` and `class` based on what was selected.
@@ -18,15 +24,16 @@ Status](https://travis-ci.org/insanoid/SwiftyJSONAccelerator.svg?branch=master)]
 
 ## Download/Installing
 
-- Download the repo, install pods and run the project!
-- [Download the .app(v1.1.0)](https://github.com/insanoid/SwiftyJSONAccelerator/releases/download/v1.1.0/SwiftyJSONAccelerator.zip).0/SwiftyJSONAccelerator.zip)
+- **Option 1:** Download the repo, install pods and run the project!
+- **Option 2:** [Download the .app(v1.2.0)](https://github.com/insanoid/SwiftyJSONAccelerator/releases/download/v1.2.0/SwiftyJSONAccelerator.zip)
 
 A swift model generator like the Objective-C [JSONAccelerator](http://nerdery.com/json-accelerator). Formats and generates models for the given JSON and also breaks them into files making it easy to manage and share between several models.
 
 The models that are generated depend on JSON object mapping libraries, currently the model can be generated to depend on any of the below mentioned mapping libraries:
 
 - [SwiftyJSON](https://github.com/SwiftyJSON/SwiftyJSON)
 - [Hearst-DD/ObjectMapper](https://github.com/Hearst-DD/ObjectMapper)
+- [Marshal](https://github.com/utahiosmac/Marshal)
 
 Currently, the pattern is very similar to its Objective-C counterpart. It generates classes with following properties.