Minor changes

app/src/main/java/eu/kanade/tachiyomi/ui/setting/SettingsActivity.kt

@@ -28,6 +28,7 @@ class SettingsActivity : BaseActivity(),
     override fun onCreate(savedState: Bundle?) {
         setAppTheme()
         super.onCreate(savedState)
+        setTitle(R.string.label_settings)
         setContentView(R.layout.activity_preferences)
 
         replaceFragmentStrategy = ReplaceFragment(this,

app/src/main/java/eu/kanade/tachiyomi/util/ChapterSourceSync.kt

@@ -44,6 +44,11 @@ fun syncChaptersWithSource(db: DatabaseHelper,
     // Chapters from the db not in the source.
     val toDelete = dbChapters.filterNot { it in sourceChapters }
 
+    // Return if there's nothing to add or delete, avoiding unnecessary db transactions.
+    if (toAdd.isEmpty() && toDelete.isEmpty()) {
+        return Pair(emptyList(), emptyList())
+    }
+
     val readded = mutableListOf<Chapter>()
 
     db.inTransaction {

app/src/main/java/eu/kanade/tachiyomi/util/LocaleHelper.kt

@@ -78,8 +78,7 @@ object LocaleHelper {
         if (systemLocale == null) {
             systemLocale = getConfigLocale(config)
         }
-        // In API 16 and lower [systemLocale] can't be changed.
-        if (configChange && Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
+        if (configChange) {
             val configLocale = getConfigLocale(config)
             if (currentLocale == configLocale) {
                 return