Register entry points for emails

and stop declaring via old way in config

corporal/config.py

@@ -18,7 +18,6 @@ class CorporalConfig(ConfigExtension):
 
             # set some default config values
             config.setdefault('rattail', 'model', 'corporal.db.model')
-            config.setdefault('rattail.mail', 'emails', 'corporal.emails')
             config.setdefault('rattail', 'settings', 'corporal.settings')
             config.setdefault('tailbone', 'menus', 'corporal.web.menus')
             config.setdefault('rattail.config', 'templates', 'corporal:data/config rattail:data/config')

setup.py

@@ -94,10 +94,6 @@ setup(
 
     entry_points = {
 
-        'rattail.config.extensions': [
-            'corporal = corporal.config:CorporalConfig',
-        ],
-
         'console_scripts': [
             'corporal = corporal.commands:main',
         ],
@@ -109,5 +105,13 @@ setup(
         'paste.app_factory': [
             'main = corporal.web.app:main',
         ],
+
+        'rattail.config.extensions': [
+            'corporal = corporal.config:CorporalConfig',
+        ],
+
+        'rattail.emails': [
+            'corporal = corporal.emails',
+        ],
     },
 )