List Table: move date column position after description

Also remove year-to-period update functions.
Fix account ledger id dropdown connections
Append new records page with current period title
Accounts: fix check ledger id + more

* Rename fct_admin_load_new_{type}s hooks and functions to fct_admin_load_post_{type}
  without the 's', except for records.
* Add load_post hooks to post.php Fiscaat post type pages
* Make accounts trashable
* Note: EMPT_TRASH_DAYS constant keeps key to conditional direct deletion