diff -r 6dcaece8ec41 -r dd635af15958 build.gradle
--- a/build.gradle	Fri Feb 13 23:45:37 2015 +0100
+++ b/build.gradle	Sat Feb 14 00:21:19 2015 +0100
@@ -30,6 +30,7 @@
     }
     buildTypes {
         release {
+            minifyEnabled true
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-project.txt'
         }
     }