Add taxonworks.rb to /lib, already exists in postgres.
Correcting class names.
First pass at source tests and created stub method source_to_test
Merge remote-tracking branch 'origin/master'
Fixing filenames.
db:migrate runs now.
A couple more spelling errors.
Updating nomenclature relationships names.
Testing clean!  Changes "Type" classes to "Typification".
merge of master to postgres