oauth support for fetching most recent transactions. closes gh-319
since test-unit was removed in previous checkin, this reference to test-unit needs to go away
add parent_id to admin categories, neighborhoods. closes gh-335
rails329 branch: fix merge conflict
rails329 branch: upgrade httparty. see https://github.com/jnunemaker/httparty/commit/53a812426dd32108d6cba4272b493aa03bc8c031