#1119 email show permission and privacy improvements (#1312)

* #1119 new permission and email hider

* Updated commands.md

* Improved email hiding method

* Revert "Improved email hiding method"

This reverts commit cb60d7b

* New config option, updated tests, config.md and permission_nodes.md

* Moved to service import, fixed typo and updated config.md

* Removed unused imports O.o

src/main/java/fr/xephi/authme/settings/properties/SecuritySettings.java

@@ -132,6 +132,15 @@ public final class SecuritySettings implements SettingsHolder {
     public static final Property<Integer> EMAIL_RECOVERY_COOLDOWN_SECONDS =
         newProperty("Security.emailRecovery.cooldown", 60);
 
+    @Comment({
+        "The maill shown using /email show will be partially hidden",
+        "E.g. (if enabled)",
+        " original email: my.email@example.com",
+        " hidden email: my.***@***mple.com"
+    })
+    public static final Property<Boolean> USE_EMAIL_MASKING =
+        newProperty("Security.privacy.enableEmailMasking", false);
+
     private SecuritySettings() {
     }