Patch release

PR: #5

• Fix to potential exception thrown when using lyr.name for certain layer types
• Validation to FarmID parameter in Tool 01 - max field length is 15 characters
• Update farm_number in Admin Table template to 15 characters (originally was 7)

GNT for ArcGIS Pro

Initial release of GNT for ArcGIS Pro - a python toolbox and workflow for generating setback buffers, calculating spreadable acres, and creating a new plan in Manure Management Planner.