make geographic region a tag vocab
new dataset field: ready_to_publish
restore proposed_schema.xls CKAN implementation columns to sanity
move geographic region to first page of dataset creation

this works around a ckan bug with tag vocabularies in the last page of dataset creation
properly convert geographic region keys to be used as tag vocab
use field type="tag_vocabulary" instead of type="keywords"
include id in geographic_region tags
fix NFLD division no 11 id
prefix geographic region tags with province
completely remove duplicated geographic regions in heirarchy
Merge pull request #78 from wardi/master

geographic_region now a tag vocab, new ready_to_publish field, fixes to proposed_schema.xls