Reverted a change to cake script to keep using nunit console runner.
Reverted a change to cake script to keep using nunit console runner.

JakeGinnivan/GitVersion,ermshiperete/GitVersion,GitTools/GitVersion,asbjornu/GitVersion,dazinator/GitVersion,JakeGinnivan/GitVersion,JakeGinnivan/GitVersion,ermshiperete/GitVersion,ermshiperete/GitVersion,ermshiperete/GitVersion,ParticularLabs/GitVersion,JakeGinnivan/GitVersion,asbjornu/GitVersion,ParticularLabs/GitVersion,gep13/GitVersion,dazinator/GitVersion,gep13/GitVersion,GitTools/GitVersion