Adding the commits to do major change to category structure
Few more fixes to the massive migration
More fixes to the migration
Actualyl delete unused categories during migration
migrations for category structure and custom fields should work now
Add accidentally missing parts to schema.rb
Fixes to migrations
Merge branch 'category-migration' into category-migration-merge

Conflicts:
	app/models/transaction_types/lend.rb
Maybe fix invite test
Merge pull request #278 from sharetribe/category-migration-merge

Category migration merge