Galaxy Wrapper for the w4mclassfilter R Package

This is a planemo <http://planemo.readthedocs.io/en/latest/> 
oriented galaxy-tool-wrapper <https://docs.galaxyproject.org/en/latest/dev/schema.htm>
to wrap the w4mclassfilter R package <https://github.com/HegemanLab/w4mclassfilter> 
for use with the Workflow4Metabolomics <http://workflow4metabolomics.org/>
flavor of Galaxy <https://galaxyproject.org/>