Attach any filetype to adhoc card

see https://www.pivotaltracker.com/story/show/81142624
I've got a 30GB .bat file to hack your mainframe so yeah you better fix that.

![imgres](https://cloud.githubusercontent.com/assets/1903518/5072649/accd3eae-6e49-11e4-96b6-a032ba34ec93.jpg)