rework xml:dom configurations and pull base mappings out of converter classes
explicitly require parse_queue in converter.rb
require jsonmodel in jsonmodel_wrap
require asutitls in parse_queue.rb
lets DOM converters work with document fragments

squash me
add tests for possible namespace configurations of marcxml docs
support subclassing and reconfiguring of xml converters
remove comments and puts
update lcnaf converter to use new config method
add saxerator dependency
bump saxerator
bump saxerator again
throw out nokogiri reader and use saxerator
test triage for travis
Revert "test triage for travis"
This was intended for a different branch
This reverts commit b936167e10a3f49a9b9336773bcead101707c833.
Merge pull request #667 from hudmol/marc-and-sax2

Marc and sax2