Add initial Hound configuration

Use a snapshot of default Hound config (3a8bd04b).
(unfortunately, Hound does not yet support standard .rubucop.yml)

[ci skip]

Signed-off-by: Alex Coles <alex@alexbcoles.com>
Tell Hound to prefer single-quoted String literals

[ci skip]

Signed-off-by: Alex Coles <alex@alexbcoles.com>
Tell Hound to allow longer lines (99 chars)

[ci skip]

Signed-off-by: Alex Coles <alex@alexbcoles.com>
Inherit Rubocop configuration from Hound

[ci skip]

Signed-off-by: Alex Coles <alex@alexbcoles.com>
use leading instead of trailing dot position
Merge pull request #1879 from opf/feature/houndci-config

Add initial Hound configuration