Add documentation for Coverage builders to README (#126)
Add documentation for Coverage builders to README (#126)

Coverage builders are now a different class of TEST builder.
Add information regarding Coverage builders to the README.

Signed-off-by: Giuseppe Di Natale <8f90fd86203578c7bda52281540dd9a2276d6d80@llnl.gov>
gmelikov/zfs-buildbot,zfsonlinux/zfs-buildbot,gmelikov/zfs-buildbot,zfsonlinux/zfs-buildbot