vzmigrate: improve timings display, add -t option

1. Separate the code to print timings into a function

2. Use printf to produce better formatted output

3. Introduce -t, --times option to print timings

4. Retain backward compatibility by making -v imply -t

5. Document -t in man page

Signed-off-by: Kir Kolyshkin <kir@openvz.org>
2 files changed