[PATCH] set of small fixes

[jesse at mbuki-mvuki.org (Jesse W. Hathaway)]

commit e7100f46b8e616f200845bc644f1d1f881ceceb8
Author: Jesse Hathaway <jesse at mbuki-mvuki.org>
Date:   Wed Oct 31 10:18:12 2007 -0400

    add /etc/adjtime to list of writable files in exposed root mode

commit 800687e9ba9cc4cd476937bfc0da172d50bd58b8
Author: Jesse Hathaway <jesse at mbuki-mvuki.org>
Date:   Wed Oct 31 09:59:01 2007 -0400

    allow basename of net-root-path to be binary
    
    This is convenient for testing as you can directly export
    the build directory, rather than untarring the net image
    in another location.

commit ae8cb3bce02962693c52019eba0a14748cad5416
Author: Jesse Hathaway <jesse at mbuki-mvuki.org>
Date:   Tue Oct 30 17:03:44 2007 -0400

    add force flag when removing /etc/mtab for exposedroot mode
    
    cdebootstrap does not create /etc/mtab

pull from:

git://lifesaver.mbuki-mvuki.org/~lollipop/live-helper.git miscfixes

thanks, Jesse