SEBA-566 Add linting and fix errors in simpleexampleservice

Change-Id: I9a7fa83f528e70877a19de6f21e1e41a5812741c
diff --git a/xos/synchronizer/migrations/0004_auto_20190409_1927.py b/xos/synchronizer/migrations/0004_auto_20190409_1927.py
new file mode 100644
index 0000000..cb15aaf
--- /dev/null
+++ b/xos/synchronizer/migrations/0004_auto_20190409_1927.py
@@ -0,0 +1,39 @@
+# Copyright 2017-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.20 on 2019-04-09 23:27
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('simpleexampleservice', '0003_auto_20190308_1636'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='simpleexampleservice',
+            name='service_message',
+            field=models.CharField(help_text=b'Service Message to display in web page', max_length=256),
+        ),
+        migrations.AlterField(
+            model_name='simpleexampleserviceinstance',
+            name='tenant_message',
+            field=models.CharField(help_text=b'Tenant Message to Display', max_length=256),
+        ),
+    ]
diff --git a/xos/synchronizer/models/simpleexampleservice.xproto b/xos/synchronizer/models/simpleexampleservice.xproto
index 5cf4e70..f17dc46 100644
--- a/xos/synchronizer/models/simpleexampleservice.xproto
+++ b/xos/synchronizer/models/simpleexampleservice.xproto
@@ -7,9 +7,10 @@
 
     required string service_message = 1 [
         help_text = "Service Message to display in web page",
-        max_length = 254];
+        max_length = 256];
     optional string service_secret = 2 [
-        help_text = "Service Secret to place in a file"];
+        help_text = "Service Secret to place in a file",
+        text = True];
 }
 
 // Note: Named ColorNew to prevent name collision with ExampleService's Color.
@@ -43,7 +44,7 @@
 
      required string tenant_message = 1 [
          help_text = "Tenant Message to Display",
-         max_length = 254];
+         max_length = 256];
      optional manytoone foreground_color->ColorNew:serviceinstance_foreground_colors = 2:1001 [
          help_text = "Foreground color to use in web page",
          db_index = True];
@@ -51,7 +52,8 @@
          help_text = "Background color to use in web page",
          db_index = True];
      optional string tenant_secret = 4 [
-         help_text = "Tenant Secret to place in a file"];
+         help_text = "Tenant Secret to place in a file",
+         text = True];
 }
 
 // Note: Named EmbeddedImageNew to prevent name collision with ExampleService's EmbeddedImage.