Updated sample version code

sample/build.gradle

@@ -8,7 +8,7 @@ android {
         applicationId "com.afollestad.materialdialogssample"
         minSdkVersion 14
         targetSdkVersion 21
-        versionCode 69
+        versionCode 70
         versionName "0.6.1.5"
     }
     lintOptions {