Fix section descriptions in tool_conf.xml

Duggan, Johnrequested to merge
142-fix-tool-section-descriptions into dev

Summary of Changes

Galaxy had built-in support to use a description field in sections, but the XML parser was disregarding the field. This should fix the issue. Since it's somewhat topical right now, I'll point out that this should be a very good candidate for an upstream bugfix.

Checklist

  • The MR has a clear and concise title
  • Code is self-documented and follows style guidelines.
  • Automated tests are written and pass successfully.
  • Regression tests (e.g. manually triggered system tests, manual GUI/tool tests, ...) are performed to make sure the MR does not break anything (when applicable)
  • Readme file is present and up-to-date.

Documentation Updates

Additional Notes

Closes #142 (closed)

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