Remove account edit post link overwrite filter
Strip -tags suffix from all template.php files

Introduce fct_account_ledger_dropdown and corresponding
fct_get_account_ledger_dropdown. These get the previous
functionality from fct_{get_}ledger_dropdown ported over,
while the latter is now dedicated to only return ledger
numbers dropdowns, without any connection to accounts.

This will enable selecting Fiscaat wide ledger ids without
referencing any particular account id.
Enable dropdown querying by meta_key. Improved ledger dropdown
Fix account querying in all periods. Fix dropdown attributes
Currency dropdown and general parse_args code cleanup
Rewrite bank accounts input fields. Use ledger dropdown for account selection.