adding better logging when git clone fails in UpdateGitRepo
adding better logging when git clone fails in UpdateGitRepo

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