Fix #381 -- Add location field (#398)

* add location field

* rearrange the display order

src/pretix/base/migrations/0061_event_location.py

@@ -0,0 +1,21 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.10.5 on 2017-02-01 04:31
+from __future__ import unicode_literals
+
+from django.db import migrations
+import pretix.base.i18n
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('pretixbase', '0060_auto_20170113_1438'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='event',
+            name='location',
+            field=pretix.base.i18n.I18nCharField(blank=True, max_length=200, null=True, verbose_name='Location'),
+        ),
+    ]

src/pretix/base/models/event.py

@@ -51,6 +51,8 @@ class Event(LoggedModel):
     :type presale_start: datetime
     :param presale_end: No tickets will be sold after this date.
     :type presale_end: datetime
+    :param location: venue
+    :type location: str
     :param plugins: A comma-separated list of plugin names that are active for this
                     event.
     :type plugins: str
@@ -99,6 +101,11 @@ class Event(LoggedModel):
         verbose_name=_("Start of presale"),
         help_text=_("No products will be sold before this date."),
     )
+    location = I18nCharField(
+        null=True, blank=True,
+        max_length=200,
+        verbose_name=_("Location"),
+    )
     plugins = models.TextField(
         null=True, blank=True,
         verbose_name=_("Plugins"),