jplehmann/coursera — pull request #122 by jonasdt (2013-06-18 02:18:25+00:00)
Title: Use default binaries

Hi, I'm not sure if this is what you had in mind (#118):
> Allow the user to specify only --aria2 to use aria2c (in the default paths) instead of having to specify which binary to run. Do the same for the other downloaders.

Everything is explained in the commit message.