Adding torrent tools plugin.

Only one tool exists right now, that is to convert a magnetlink into a
torrent file.
Fixed issue with NetBSD's ls
Fixed coding style
Fix gitfast problem for untracket files

When showing the char % for untracket files, it was not being escaped
so there was shown a space in the place. It was also removing any char
that was right just after.
added crcandy theme

it's just the candy theme with a new line before.
in order to make easier to see the result of the
commands and to avoid confusing
Add maildir prompt segment to agnostar theme