Merge pull request android-async-http#344 from dvdrlee/patch-1

ArtifactID should be 'android-async-http' in readme

Author: smarek

README.md

@@ -39,7 +39,7 @@ http://central.maven.org/maven2/com/loopj/android/android-async-http/
 ```
 Maven URL: http://repo1.maven.org/maven2/
 GroupId: com.loopj.android
-ArtifactId: async-http-client
+ArtifactId: android-async-http
 Version: 1.4.3
 Packaging: JAR or AAR
 ```