Linting fails for hapmapmart.xml in tools/data_source/

[hexylena]

Not sure why. Zero output, but valid XML. Todo: investigate

[jmchilton]

Interesting - too many comments at the beginning of the file so the dumb check planemo does to look for <tool at the beginning doesn't work.

[hexylena]

Ahhhh, that explains that. Makes sense!