[Powertop] [PATCH] Fixes to manpage and command line handling

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Hello,

I just decided to play with powertop again. So git pull, find out the repo
has moved etcetc.

I found a few cosmetic things within the first 5 minutes of use which I
decided to provide a fix for.

Please apply if it is acceptable, otherwise let me know how to improve it.

Thanks
    J=C3=B6rg
--
Joerg Mayer                                           <jmayer(a)loplof.de>
We are stuck with technology when what we really want is just stuff that
works. Some say that should read Microsoft instead of technology.

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