updating test for harvest units to list the valid units and adding a task to correct misspelled pint harvests already in the database
Merge pull request #384 from maco/dev

test & task for the ping -> pint change
created list of crop wranglers on the crop wranglers page
remove extra method
fixed role factory to not create extra roles when new members
changed method so that you can now call crop_wranglers and admins. meta-programming ftw