[Crash-utility] [PATCH] crash: add python wrapper script

[Alexey Dobriyan]

After scripting "crash" for some time, I must say there are little
quirks with it. Apologies in advance if this is expected behaviour,
but it has been very confusing and unintuitive for newcomer:

* crash sleeps after reading everything from input pipe
  you forgot final 'q' -- you kill crash in S-state.

* "crash -i" sends some terminal garbage before everything.
  I thought it is some kind of uninitialized memory bug.
  It is surely documented that "crash -i" is not what one might
  expect -- legal way to send scripted commands and just that,

* filtering gdb banners is annoying, not hard but annoying,

* commands are chatty: say, "ptov" shoud just print virtual address,
  headers don't go away in "scripted" mode

	Alexey