Travel assistance to sydney please

* Tweaks help_text to indicate that travel assistance is to Sydney
* Includes the required migration

This migration doesn't change the DB so it's safe to apply with the system live.

vendor/symposion/speakers/migrations/0004_auto_20170731_2232.py

@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.3 on 2017-07-31 12:32
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('symposion_speakers', '0003_auto_20170702_1606'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='speaker',
+            name='travel_assistance',
+            field=models.BooleanField(default=False, help_text='Check this box if you require assistance to travel to Sydney to present your proposed sessions.', verbose_name='Travel assistance required'),
+        ),
+    ]

vendor/symposion/speakers/models.py

@@ -66,7 +66,7 @@ class Speaker(models.Model):
     travel_assistance = models.BooleanField(
         blank=True,
         default=False,
-        help_text=_("Check this box if you require assistance to travel to Hobart to "
+        help_text=_("Check this box if you require assistance to travel to Sydney to "
                     "present your proposed sessions."),
         verbose_name=_("Travel assistance required"),
     )