adding initial implementation of examl wrapper
removing extraneous fasta test files
renaming test data to clarify that this is nexml, and that it is also just by examl
adding examl unit test
now tracks what it produces and cleans up after itself
now saves the result as outfile_name
added test for version objects
removing unnecessary sequence domain object
removing unnecessary, GBIF-oriented domain object
removing unnecessary, GBIF-oriented service class
removing unnecessary, GBIF-oriented service class
Merge branch 'master' of https://github.com/naturalis/supersmart