Provide machinery for ZConfig import of temporary storage.

lib/python/Products/TemporaryFolder/component.xml

+<component prefix="Products.TemporaryFolder.config">
+
+  <sectiontype name="temporarystorage" datatype=".TemporaryStorage"
+               implements="ZODB.storage">
+     <description>
+       A nonundoing storage which keeps data in RAM and which does
+       not need to be packed unless cyclic references are kept.
+     </description>
+    <key name="name" default="Temporary Storage"/>
+  </sectiontype>
+
+</component>
+
+

lib/python/Products/TemporaryFolder/config.py

+from ZODB.config import BaseConfig
+
+class TemporaryStorage(BaseConfig):
+    def open(self):
+        from Products.TemporaryFolder.TemporaryStorage import TemporaryStorage
+        return TemporaryStorage(self.config.name)