[htdocs] Add Code Coverage Results for Elfutils 0.168

[Lukas Berk]

Hi,

The patch itself was too big for the mailing list, but you can find it
on the upstream lberk/coverage branch.

commit ed93952625f4627ae9000fcf46cd7a0a0cd0b382
Author: Lukas Berk <lberk@redhat.com>
Date:   Thu Jan 5 09:58:51 2017 -0500

    Add code coverage results for Elfutils 0.168
    
    These results used to be hosted on fedorapeople.org. Migrating these
    over to sourceware.org htdocs for a more consistent resource and
    documentation location.
    
    Results will be located under:
    https://sourceware.org/elfutils/coverage
    
    Signed-off-by: Lukas Berk <lberk@redhat.com>