PMs Enquiries

I'll see about adding a "replied" arrow. Regarding the confirmation box, I'll see about making it auto-close after a few seconds, but in the meantime you should also be able to press Space or Enter to dismiss it. By having the quoted message below the reply, it is more in line with traditional email format. But also, it means the actual content of the reply can be seen in the tooltip on the PM list page, rather than some ugly half-baked quote ;)