Set postgresql as default database configuration on common settings

greenmine/settings/common.py

@@ -37,9 +37,8 @@ DEFAULT_TASK_PARSER_RE = "^\s*Task\:(.+)$"
 
 DATABASES = {
     'default': {
-        'ENGINE': 'django.db.backends.sqlite3', # Add 'postgresql_psycopg2', 'postgresql', 'mysql', 'sqlite3' or 'oracle'.
+        'ENGINE': 'django.db.backends.postgresql_psycopg2',
-        'NAME': os.path.join(OUT_PROJECT_ROOT, 'database.sqlite'), # Or path to database file if using sqlite3.
+        'NAME': 'greenmine',
-        'OPTIONS': {'timeout': 20}
     }
 }