Reorganize into packages, finish image renaming for frame shops.
Make frameshops more resistant to breaking.
Clean up config.yml and add /hceconomy
Display external economy name on startup.
Rename banks with same name as new player.
Prevent delete of banks when they're used by shops or economies; rename
all references to bank when one is renamed.
Use default economy account instead of global shop account.
Add ability to change default economy account with /hceconomy
Add banks to Vault connector.