remove namespace cleanup when serializing xml
add another attribute for EAD dao xmlobject class
bump version to 0.20.3
make Note available on Index; make Note p content node list to allow formatting
map ead processing info at archival description and series levels
clean up process info mapping and document the change
correct unit test for change in note content type
fix a typo
Merge branch 'hotfix/0.20.3'