prepare readme for JS client V3 release

Author: vvo

README.md

@@ -3,20 +3,8 @@
 
 
 [Algolia Search](http://www.algolia.com) is a hosted full-text, numerical, and faceted search engine capable of delivering realtime results from the first keystroke.
-Algolia's Search API makes it easy to deliver a great search experience in your websites and mobile applications by providing:
-
- * REST and JSON based API
- * Search against infinite attributes from a single search box
- * Instant search as you type experience
- * Relevance and popularity ranking
- * Global language support
- * Typo tolerance in any language
- * Smart highlighting
- * Facet as you type
- * Geo awareness
- * 99.99% SLA
- * First class data security
 
+Our Swift client lets you easily use the [Algolia Search API](https://www.algolia.com/doc/rest_api) from your backend. It wraps the [Algolia Search REST API](http://www.algolia.com/doc/rest_api).
 
 
 [![Build Status](https://travis-ci.org/algolia/algoliasearch-client-swift.svg?branch=master)](https://travis-ci.org/algolia/algoliasearch-client-swift)
@@ -81,6 +69,9 @@ let client = AlgoliaSearch.Client(appID: "YourApplicationID", apiKey: "YourAPIKe
 
 
 
+
+
+
 Quick Start
 -------------
 
@@ -438,7 +429,7 @@ index.search(query, block: { (JSON, error) -> Void in
 
 The server response will look like:
 
-```javascript
+```json
 {
   "hits": [
     {
@@ -517,6 +508,7 @@ index.getObject("myID", attributesToRetrieve: ["firstname"], block: { (JSON, err
 
 You can also retrieve a set of objects:
 
+
 ```swift
 index.getObjects(["myID1", "myID2"], block: { (JSON, error) -> {
 	// do something
@@ -527,6 +519,7 @@ index.getObjects(["myID1", "myID2"], block: { (JSON, error) -> {
 
 
 
+
 Delete an object
 -------------
 
@@ -868,15 +861,15 @@ You can easily copy or rename an existing index using the `copy` and `move` comm
 
 ```swift
 // Rename MyIndex in MyIndexNewName
-client.moveIndex("MyIndex", dstIndexName: "MyIndexNewName", block: { (JSON, error) -> Void in
+client.moveIndex("MyIndex", to: "MyIndexNewName", block: { (JSON, error) -> Void in
 	if let error = error {
 		println("Move failure: \(error)")
 	} else {
 		println("Move success: \(JSON)")
 	}
 })
 // Copy MyIndex in MyIndexCopy
-client.copyIndex("MyIndex", dstIndexName: "MyIndexCopy", block: { (JSON, error) -> Void in
+client.copyIndex("MyIndex", to: "MyIndexCopy", block: { (JSON, error) -> Void in
 	if let error = error {
 		println("Copy failure: \(error)")
 	} else {