Improve wallet_get_account error message
Output delegate pay balance as part of account balance (resolves #491)
Revert "execute_command_line -> debug_execute_command_line"

This reverts commit f039bbf4e2607d652a22d74a99d17d76c148839e.
Fix wallet_account_set_favorite crash (resolves #493)
Merge remote-tracking branch 'origin' into dryrun9
Shorts are now paired with asks to create BitUSD