Acrobot/ChestShop-3 — pull request #27 by jrtc27 (2013-04-12 23:16:32+00:00)
Title: Only check if a bank exists when banks are supported

Without this, an `UnsupportedOperationException` could still be thrown if iConomy 6 is being used, as `Economy.bankExists(String)` is called regardless of whether `Economy.hasBankSupport()` returns true.