Fix #978 -- Allow to split names (#1049)

- [x] attendee names
- [x] Invoice address names
- [x] Data migration
- [x] API serializers
  - [x] orderposition
  - [x] cartposition
  - [x] invoiceaddress
  - [x] checkinlistposition
- [x] position API search
- [x] invoice API search
- [x] business/individual required toggle
- [x] Split columns in CSV exports
- [x] ticket editor
- [x] shredder
- [x] ticket/invoice sample data
- [x] order search
- [x] Handle changed naming scheme
- [x] tests
- [x] make use in:
  - [x] Boabee
  - [x] Certificate download order
  - [x] Badge download order
  - [x] Ticket download order
- [x] Document new MySQL requirement
- [x] Plugins

src/setup.py

@@ -127,6 +127,8 @@ setup(
         'chardet<3.1.0,>=3.0.2',
         'mt-940==3.2',
         'django-i18nfield>=1.4.0',
+        'django-jsonfallback',
+        'psycopg2-binary',
         'vobject==0.9.*',
         'pycountry',
         'django-countries',
@@ -157,7 +159,6 @@ setup(
         ],
         'memcached': ['pylibmc'],
         'mysql': ['mysqlclient'],
-        'postgres': ['psycopg2-binary'],
     },
 
     packages=find_packages(exclude=['tests', 'tests.*']),