add preliminary packaging metadata

lib/python/AccessControl/DEPENDENCIES.cfg

+ExtensionClass
+Acquisition

lib/python/AccessControl/SETUP.cfg

+<extension cAccessControl>
+  source cAccessControl.c
+</extension>

lib/python/Acquisition/DEPENDENCIES.cfg

+ExtensionClass

lib/python/Acquisition/SETUP.cfg

+header Acquisition.h
+
+<extension _Acquisition>
+  source _Acquisition.c
+</extension>

lib/python/ComputedAttribute/DEPENDENCIES.cfg

+ExtensionClass

lib/python/ComputedAttribute/SETUP.cfg

+<extension _ComputedAttribute>
+  source _ComputedAttribute.c
+</extension>

lib/python/DocumentTemplate/DEPENDENCIES.cfg

+ExtensionClass

lib/python/DocumentTemplate/SETUP.cfg

+<extension cDocumentTemplate>
+  source cDocumentTemplate.c
+</extension>

lib/python/ExtensionClass/SETUP.cfg

+header ExtensionClass.h
+
+<extension _ExtensionClass>
+  source     _ExtensionClass.c
+  depends-on pickle/pickle.c
+</extension>

lib/python/MethodObject/DEPENDENCIES.cfg

+ExtensionClass

lib/python/MethodObject/SETUP.cfg

+<extension _MethodObject>
+  source _MethodObject.c
+</extension>

lib/python/Missing/DEPENDENCIES.cfg

+ExtensionClass

lib/python/Missing/SETUP.cfg

+<extension _Missing>
+  source _Missing.c
+</extension>

lib/python/MultiMapping/DEPENDENCIES.cfg

+ExtensionClass

lib/python/MultiMapping/SETUP.cfg

+<extension _MultiMapping>
+  source _MultiMapping.c
+</extension>

lib/python/Persistence/SETUP.cfg

+<extension _Persistence>
+  source _Persistence.c
+</extension>

lib/python/Products/PluginIndexes/TextIndex/Splitter/ISO_8859_1_Splitter/SETUP.cfg

+<extension ISO_8859_1_Splitter>
+  source src/ISO_8859_1_Splitter.c
+</extension>

lib/python/Products/PluginIndexes/TextIndex/Splitter/UnicodeSplitter/SETUP.cfg

+<extension UnicodeSplitter>
+  source src/UnicodeSplitter.c
+</extension>

lib/python/Products/PluginIndexes/TextIndex/Splitter/ZopeSplitter/SETUP.cfg

+<extension ZopeSplitter>
+  source src/ZopeSplitter.c
+</extension>

lib/python/Products/ZCTextIndex/SETUP.cfg

+<extension okascore>
+  source okascore.c
+</extension>
+
+<extension stopper>
+  source stopper.c
+</extension>

lib/python/Record/DEPENDENCIES.cfg

+ExtensionClass

lib/python/Record/SETUP.cfg

+<extension _Record>
+  source _Record.c
+</extension>

lib/python/ThreadLock/SETUP.cfg

+<extension _ThreadLock>
+  source _ThreadLock.c
+</extension>

lib/python/initgroups/SETUP.cfg

+<extension _initgroups>
+  source _initgroups.c
+</extension>