[RFC][PATCH 00/10 v2] xfstests: Add support for config section

[Rich Johnston]

Hey Lukas thanks for the patchset,

I have committed the reviewed patches 2, 4, 5 and 6.
Patches 3 and 10 have also been reviewed by Chandra but no longer apply 
cleanly to the current tree.
The other patches 1, 7, 8 and 9 are waiting your response to Chandras 
comments.

Thanks again
--Rich

commit c8527d1c8a90fc0dcb0c8edfc8ddf4c19267bd64
Author: Lukas Czerner <lczerner at redhat.com>
Date:   Thu Jul 11 10:37:57 2013 +0000

     xfstests: Export all important variables in common/config

commit 2ff460998d3c548da9c29c2a52a7f419a309a154
Author: Lukas Czerner <lczerner at redhat.com>
Date:   Thu Jul 11 10:37:59 2013 +0000

     xfstests: Allow to recheck options in common/rc

commit dcaf8661876c438f31eda196232d950f65648e96
Author: Lukas Czerner <lczerner at redhat.com>
Date:   Thu Jul 11 10:38:00 2013 +0000

     xfstests: Allow to re-read configuration

commit 9fe92ade36a71322e15fc1a57a3edc4a94c6d2c4
Author: Lukas Czerner <lczerner at redhat.com>
Date:   Thu Jul 11 10:38:01 2013 +0000

     xfstests: Allow to specify RESULT_BASE directory