update version to 5.1.1

Author: tibbi

app/build.gradle

@@ -10,8 +10,8 @@ android {
         applicationId "com.simplemobiletools.contacts"
         minSdkVersion 21
         targetSdkVersion 28
-        versionCode 34
-        versionName "5.1.0"
+        versionCode 35
+        versionName "5.1.1"
         setProperty("archivesBaseName", "contacts")
     }