Move logout button to settings. Replace logout button in menu with shutdown button.

lib/db.dart

@@ -75,8 +75,17 @@ class SqliteHelper {
     }
   }
 
-  Future<Map> getSettings() async {
-    return await selectAll(tableSettings);
+  Future<Map> getSettings(bool withSession) async {
+    Map settings = await selectAll(tableSettings);
+
+    if (withSession) {
+      Map session = await selectAll(tableSession);
+      if (settings != null && session != null) {
+        settings.addAll(session);
+      }
+    }
+
+    return settings;
   }
 
   Future<String> getToken() async {
@@ -137,4 +146,4 @@ class SqliteHelper {
   Future clear() async {
     return await db.delete(tableSession, where: null);
   }
-}
+}