Use api package from core (#111)

Author: OskarPersson

ESSArch_TA/config/settings.py

@@ -70,7 +70,7 @@
 ALLOWED_HOSTS = ['*']
 
 REST_FRAMEWORK = {
-    'DEFAULT_METADATA_CLASS': 'ESSArch_Core.metadata.CustomMetadata',
+    'DEFAULT_METADATA_CLASS': 'ESSArch_Core.api.metadata.CustomMetadata',
     'DEFAULT_PAGINATION_CLASS': 'proxy_pagination.ProxyPagination',
     'PAGE_SIZE': 10,
     'DEFAULT_AUTHENTICATION_CLASSES': (
@@ -91,8 +91,8 @@
 }
 
 PROXY_PAGINATION_PARAM = 'pager'
-PROXY_PAGINATION_DEFAULT = 'ESSArch_Core.pagination.LinkHeaderPagination'
-PROXY_PAGINATION_MAPPING = {'none': 'ESSArch_Core.pagination.NoPagination'}
+PROXY_PAGINATION_DEFAULT = 'ESSArch_Core.api.pagination.LinkHeaderPagination'
+PROXY_PAGINATION_MAPPING = {'none': 'ESSArch_Core.api.pagination.NoPagination'}
 
 
 # Application definition