dropJob: special-case "downloading http URLs" dnd with better text
When dropping URLs, the "Copy" action now has its text and icon changed to reflect that this is really more of a download job than a copy job. Technically it's a copy, but the more natural way and common way to express this kind of thing is to say that it's a download.
Now, when dragging-and-dropping an image from a web browser, this is the menu you'll get (shown here with !1683 (merged) also applied to suppress the inappropriate "Move" action):
Edited by Nate Graham