remove all the table templates with a single settings option

backups/tables.py

@@ -11,6 +11,5 @@ class BackupsTable(CoreTable):
     computer = tables.Column('Computer', linkify=True)
     target_device = tables.ManyToManyColumn(linkify_item=True)
 
-        template_name = 'django_tables2/semantic.html'
     class Meta(CoreTable.Meta):
         model = Backup

computers/tables.py

@@ -14,6 +14,5 @@ class ComputersTable(CoreTable):
     installation_date = tables.Column()
     os = tables.Column()
 
-        template_name = 'django_tables2/semantic.html'
     class Meta(CoreTable.Meta):
         pass

customers/tables.py

@@ -23,6 +23,5 @@ class CustomersTable(CoreTable):
     users = tables.LinkColumn('users', text='Users', args=[A('pk')],
                               orderable=False)
 
-        template_name = 'django_tables2/semantic.html'
     class Meta(CoreTable.Meta):
         pass

devices/tables.py

@@ -11,7 +11,6 @@ class DevicesTable(CoreTable):
     id = tables.Column(visible=False)
     name = tables.Column('Device', linkify=True)
 
-        template_name = 'django_tables2/semantic.html'
     class Meta(CoreTable.Meta):
         model = Device
 
@@ -20,7 +19,6 @@ class ConnectedDevicesTable(CoreTable):
     id = tables.Column(visible=False)
     name = tables.Column('ConnectedDevice', linkify=True)
 
-        template_name = 'django_tables2/semantic.html'
     class Meta(CoreTable.Meta):
         model = ConnectedDevice
 
@@ -32,6 +30,5 @@ class WarrantiesTable(CoreTable):
     valid_until = tables.Column()
     warranty_type = tables.Column()
 
-        template_name = 'django_tables2/semantic.html'
     class Meta(CoreTable.Meta):
         pass

licenses/tables.py

@@ -13,7 +13,6 @@ class UserLicensesTable(CoreTable):
     used_licenses = tables.Column()
     user = tables.ManyToManyColumn(linkify_item=True)
 
-        template_name = 'django_tables2/semantic.html'
     class Meta(CoreTable.Meta):
         model = UserLicense
 
@@ -25,6 +24,5 @@ class ComputerLicensesTable(CoreTable):
     used_licenses = tables.Column()
     computer = tables.ManyToManyColumn(linkify_item=True)
 
-        template_name = 'django_tables2/semantic.html'
     class Meta(CoreTable.Meta):
         model = ComputerLicense

nets/tables.py

@@ -11,7 +11,6 @@ class NetsTable(CoreTable):
     name = tables.Column('Net', linkify=True)
     customer = tables.Column('Customer', linkify=True)
 
-        template_name = 'django_tables2/semantic.html'
     class Meta(CoreTable.Meta):
         model = Net
 
@@ -21,6 +20,5 @@ class NetDetailTable(CoreTable):
     ip = tables.Column()
     net = tables.Column(visible=False)
 
-        template_name = 'django_tables2/semantic.html'
     class Meta(CoreTable.Meta):
         model = DeviceInNet

network_inventory/settings/base.py

@@ -119,3 +119,5 @@ USE_TZ = True
 # https://docs.djangoproject.com/en/2.0/howto/static-files/
 STATIC_URL = '/static/'
 STATIC_ROOT = os.path.join(BASE_DIR, "static")
+
+DJANGO_TABLES2_TEMPLATE = "django_tables2/bootstrap4.html"

users/tables.py

@@ -12,6 +12,5 @@ class UsersTable(CoreTable):
     ad_groups = tables.ManyToManyColumn()
     mail_groups = tables.ManyToManyColumn()
 
-        template_name = 'django_tables2/semantic.html'
     class Meta(CoreTable.Meta):
         model = User