add vendor support
share mappings and methods between customer and vendor
spec vendor model
notes is not shared between entities
remove spacing
add online->service->vendor with specs
spec to_xml_ns mixed in method as its reference to ::XML_NODE was modified
shorten with spec helper construct_oauth_service
add in Type attribute on account model
provide the error message returned from account creation
just use full_messages since valid? has already been called
fix passing params to do_http_(get|post)
Merge pull request #41 from nickhammond/vendor

Added Vendor support to QBO