updated readme

Author: nickfox

README.md

@@ -1,4 +1,4 @@
-![gpstracker](https://raw.githubusercontent.com/nickfox/GpsTracker/master/gpstracker_small.png)Gps Tracker v5.1.0
+![gpstracker](https://raw.githubusercontent.com/nickfox/GpsTracker/master/gpstracker_small.png)Gps Tracker v5.1.1
 -------------
 
 ##### Google Map Gps Cell Phone Tracker
@@ -32,6 +32,11 @@ https://www.websmithing.com/2014/01/20/quick-start-guide-for-gpstracker-3/
 
 #### Changelog
 
+
+Apr 2, 2016 - v5.1.1
+
+Updated gradle in android client
+
 *************
 
 Oct 21, 2015 - v5.1.0