Display full command line on suggestion for the kill command

How about showing full command line (command: usually with arguments)
instead of only the executable name (comm), in the 'kill' command suggestions?

Previously:

![](http://i.imgur.com/8iY0mOf.png)

After fixed:

![](http://i.imgur.com/sa7X8rg.png)

which is very useful when choosing a CPU-consuming process,
with multiple instances of the same executable.