Added some general shapefile harvesting scripts written in Python

One script will search the entire Open Colorado database for data sets containing shapefiles, downloads them, and projects them to a specific srid.  The second simply downloads a specific data set shapefile based on the package_id, verifies that there is a shapefile resource before download, and projects to a specified srid. In both cases a "download" directory is created for data outputs alongside the script location.  

These scripts currently utilize the ckan python client.  Lots of potential improvements can be made but the current versions are useful enough to share openly. 

These were built off the great work of Allan Glenn who's other contributions provided examples of how to use the ckan api. Thanks Allan!