Add percentage & speed, remove elasped time

[Integral-Tech]

Fixes issue #3

[tarka]

ack. I'm on the road ATM, I'll take a look when I get back.

[Integral-Tech]

@tarka Would you like to review and approve my PR?

[tarka]

Thanks for the PR. I've played with the new progress bar on various sized terminals and my main concern is that on a standard 80-char term the progress bar gets pushed down to a few characters:

It might be better to add a switch (e.g. --progress-type=[bar/mixed/detail]) to allow different styles of progress indicators. Would you be happy to add this to the PR?

[Integral-Tech]

@tarka I need to confirm what each option in --progress-type=[bar/mixed/detail] means :)

[tarka]

Sorry @Integral-Tech, I totally missed your message.

My thought was that bar would be the current format, mixed would be your patch (minimal bar, more focused on details), and detail would be numbers only, no bar. Thoughts?

[Integral-Tech]

@tarka IMO maybe it is a good idea to show the numbers on a new line on narrow terminal windows

[tarka]

Yeah, that's a good option.

[Integral-Tech]

@tarka With auto detection of terminal width, --progress-type switch seems to be unnecessary

[Integral-Tech]

@tarka Done :)

[tarka]

Looks good. I'll release shortly.