added .info file
Added install file to insert new taxonomy vocabularies upon module install and added corresponding uninstall hook
Added content type 'piece'
Added helper methods to create field and field instances
added helper methods to create taxonomy fields and corresponding instances
added helper methods to add date fields and corresponding instances
added helper methods to generate fields and field instances of content type 'piece'
implemented node_type_update hook
implemented node_core_form
Custom fields are deleted upon uninstallation