Revert "Add wallet_account_get_approval"

This reverts commit 7b789fa03339c13803d607a9b3f0368880195262.
Add wallet_set_automatic_backups
wallet_delegate_set_transaction_scanning ->
wallet_set_transaction_scanning (and now persistent)
Regression test common logs disable automatic backups and scan all
transactions by default
Merge branch 'develop' of github.com:BitShares/bitshares_toolkit into develop
Fix compiler warning
Allow approving unregistered local accounts