move test reference
whitespace/pep8
remove unused assignment
more whitespace
fix attachment submissions and tests to use src instead of property name

also don't strip additional path from the reference and treat like a uri
remove attachment source from ota restore and url references
unused variable
fix tests to use new schem
fix url that was only needed in tests
remove unused file
Merge pull request #204 from dimagi/attachment-fixes

fixes attachment processing