Update config to use postgres

Signed-off-by: Patrick Uiterwijk <puiterwijk@redhat.com>

roles/regcfp/templates/config.json

@@ -1,5 +1,5 @@
 {
-  "development": {
+  "production": {
     "theming": {
       "site_name": "FLOCK 2016 Registration",
       "event_name": "Flock 2016",
@@ -7,9 +7,10 @@
     },
     "secret": "{{ regcfp_secret }}",
     "database": {
-      "database": "database.sqlite",
-      "dialect": "sqlite",
-      "storage": "database.sqlite",
+      "dialect": "postgres",
+      "database": "regcfp",
+      "username": "regcfp",
+      "password": "{{ regcfp_db_pass }}",
       "define": {
         "paranoid": true
       }