Separate 'en' locale into 'en-US' and 'en-GB' for displaying dates

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

@@ -29,8 +29,9 @@ class SettingsGeneralController : SettingsController() {
         listPreference {
             key = Keys.lang
             titleRes = R.string.pref_language
-            entryValues = arrayOf("", "ar", "bg", "bn", "de", "en", "es", "fr", "hi", "hu", "id",
-                    "it", "ja", "ko", "lv", "ms", "nl", "pl", "pt", "pt-BR", "ro", "ru", "vi")
+            entryValues = arrayOf("", "ar", "bg", "bn", "de", "en-US", "en-GB", "es", "fr", "hi",
+                    "hu", "id", "it", "ja", "ko", "lv", "ms", "nl", "pl", "pt", "pt-BR", "ro",
+                    "ru", "vi")
             entries = entryValues.map { value ->
                 val locale = LocaleHelper.getLocaleFromString(value.toString())
                 locale?.getDisplayName(locale)?.capitalize() ?:

build.gradle

@@ -7,7 +7,7 @@ buildscript {
         google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.1.0'
+        classpath 'com.android.tools.build:gradle:3.1.1'
         classpath 'com.github.ben-manes:gradle-versions-plugin:0.17.0'
         classpath 'com.github.zellius:android-shortcut-gradle-plugin:0.1.2'
         // NOTE: Do not place your application dependencies here; they belong