[Libguestfs] [PATCH 0/7] p2v: Multiple improvements to the look of virt-p2v.

In the run dialog, I have implemented an ANSI colour escape sequence interpreter, so that colours displayed by the remote virt-v2v are now shown to the user. (https://bugzilla.redhat.com/show_bug.cgi?id=1314244) This requires virt-v2v to send colours. It wasn't doing that because the output was a pipe (as we capture the output into the log file). So I added a global --colours option to make the tools show ANSI escape sequences even if the output is not a tty. We don't want to show debug messages to the user during conversion. This was tricky: I solved it by only sending back stdout from virt-v2v to virt-p2v. However that doesn't show error messages, so if an error is encountered, a virt-v2v wrapper script shows the last few lines of the complete log file (in which the error appears). Various font fixes. Rich.