Pulling pfey03-patch-31 into develop

[cybersiddhu]

Skip this section if it's not ontology(obo) files

Pull request for editing ontology(obo) files

• Only obo formatted ontology files are supported.
• Multiple ontology files can be submitted in one pull request.
• Every obo file in this pull requested will be validated.
• The validation report for every commit will be shown in the pull request comment.
• All error reports MUST BE fixed. If it's possible, it is also
  recommended to fix any other issue(warning or info level) reported in full report.
• Please do not merge unless the validation check is passed(green sign).
• The ontology validation and conversion is done using
  robot tool. For further information about
  validation look here.

That's all.