FIX Update DNProject to use better detection for private key.
FIX Update DNProject to use better detection for private key.

antons-/deploynaut,silverstripe/deploynaut,antons-/deploynaut,jakedaleweb/deploynaut,madmatt/deploynaut,madmatt/deploynaut,jakedaleweb/deploynaut,silverstripe/deploynaut,silverstripe/deploynaut,antons-/deploynaut,jakedaleweb/deploynaut,awangga/deploynaut,antons-/deploynaut,shoaibali/deploynaut,awangga/deploynaut,madmatt/deploynaut,jakedaleweb/deploynaut,awangga/deploynaut,madmatt/deploynaut,awangga/deploynaut,shoaibali/deploynaut,shoaibali/deploynaut,silverstripe/deploynaut,shoaibali/deploynaut