Fix import path for goftp. Give a useful error message when run with no arguments.
Merge pull request #42 from jeffallen/to-github

Fix import path for goftp. Give a useful error message when run with no ...
Better behavior when not on the wrong network

It is easy to forget to change to the drone's wifi network.
Now we have a timeout waiting for the prompt, and give a
useful suggestion to the user.
Fix review comments from Felix.