Release 2.1.4

Author: VegeChou

README.md

@@ -33,6 +33,7 @@ You should add following permissions and services declaration to your *AndroidMa
 ## Docs
 
 - [Current JavaDoc Documentation](http://sensoro.github.io/download/sdk/android/doc/index.html)
+
 - [Community Portal of Sensoro](https://sensoro.zendesk.com/hc/communities/public/questions?locale=en-us)
 - [User Guide](http://www.sensoro.com/docs/)