add PipelineManifestStorage

Author: jhpinson

pipeline/storage.py

@@ -4,7 +4,7 @@
 
 from io import BytesIO
 
-from django.contrib.staticfiles.storage import CachedStaticFilesStorage, StaticFilesStorage
+from django.contrib.staticfiles.storage import CachedStaticFilesStorage, ManifestStaticFilesStorage, StaticFilesStorage
 from django.contrib.staticfiles.utils import matches_patterns
 
 from django.core.files.base import File
@@ -96,5 +96,9 @@ class PipelineCachedStorage(PipelineMixin, CachedStaticFilesStorage):
     pass
 
 
+class PipelineManifestStorage(PipelineMixin, ManifestStaticFilesStorage):
+    pass
+
+
 class NonPackagingPipelineCachedStorage(NonPackagingMixin, PipelineCachedStorage):
     pass