It is a clone but with some features. As i know creator of this coin is 2 independent dev with no any connections to bytecoin.
From the OP:
Dashcoin (DSH) is a cryptocurrency started on July 5, 2014. Dashcoin is a fork of Bytecoin and uses the unique algorithm CryptoNite. Our goal with Dashcoin is to create a perfect mirror image of Bytecoin, the first CryptoNote based cryptocurrency, at any given moment of time. Automatically.