Rename no-results.php to content-none.php

Rename no-results.php to content-none.php for consistency (as done in core: https://core.trac.wordpress.org/ticket/25181).
Use content-none.php instead of no-results.php

Renamed no-results.php to content-none.php for consistency (as done in core: https://core.trac.wordpress.org/ticket/25181); so let's make sure it's used.
Use content-none.php instead of no-results.php

Renamed no-results.php to content-none.php for consistency (as done in core: https://core.trac.wordpress.org/ticket/25181); so let's make sure it's used.
Use content-none.php instead of no-results.php

Renamed no-results.php to content-none.php for consistency (as done in core: https://core.trac.wordpress.org/ticket/25181); so let's make sure it's used.
Use content-none.php instead of no-results.php

Renamed no-results.php to content-none.php for consistency (as done in core: https://core.trac.wordpress.org/ticket/25181); so let's make sure it's used.
Merge pull request #333 from aahan/patch_content-none

Use content-none.php instead of no-results.php for consistency.