Only evaluate r### format samtools version numbers.  Newer versions contain Idxstats sub-command.
Die when version number is too old.  Update the regex.
Use Genome::Command::Crud for menu items.

*Leave in place custom creator.
*Replace homespun lister with one provided by Crud.
*Add updater for item descriptions.
*Do not allow deletes.
RDP: add versions 2.9 and 2.10 plus training set 10
Merge pull request #164 from jasonwalker80/samtools_idxstats_version
Merge pull request #181 from ebelter/rdp

RDP: add versions 2.9 and 2.10 plus training set 10
Merge pull request #174 from tmooney/menu_item_crud

Use Genome::Command::Crud for menu items.