Fixed reversed success/failure messages in banktransfer plugin
Fixed reversed success/failure messages in banktransfer plugin

lab2112/pretix,Flamacue/pretix,Flamacue/pretix,akuks/pretix,Flamacue/pretix,akuks/pretix,akuks/pretix,lab2112/pretix,Flamacue/pretix,awg24/pretix,lab2112/pretix,Unicorn-rzl/pretix,akuks/pretix,awg24/pretix,awg24/pretix,Unicorn-rzl/pretix,awg24/pretix,Unicorn-rzl/pretix,Unicorn-rzl/pretix,lab2112/pretix