Update build.gradle for re-release

app/build.gradle

@@ -5,14 +5,14 @@ apply plugin: 'com.android.application'
 
 android {
     compileSdkVersion 21
-    buildToolsVersion "21.0.2"
+    buildToolsVersion "21.1.1"
 
     defaultConfig {
         minSdkVersion 16
         targetSdkVersion 21
 
         versionName "3.0"
-        versionCode = 45
+        versionCode = 46
     }
 
     productFlavors {