Default to debug build type if not specified
Default to debug build type if not specified

* This applied only to build system which are not multi-configuration

vovythevov/CTK,151706061/CTK,AndreasFetzer/CTK,Sardge/CTK,espakm/CTK,fedorov/CTK,jcfr/CTK,finetjul/CTK,151706061/CTK,naucoin/CTK,laurennlam/CTK,naucoin/CTK,danielknorr/CTK,finetjul/CTK,finetjul/CTK,Sardge/CTK,jcfr/CTK,ddao/CTK,ddao/CTK,Heather/CTK,rkhlebnikov/CTK,pieper/CTK,fedorov/CTK,AndreasFetzer/CTK,ddao/CTK,jcfr/CTK,msmolens/CTK,CJGoch/CTK,mehrtash/CTK,fedorov/CTK,laurennlam/CTK,espakm/CTK,SINTEFMedtek/CTK,danielknorr/CTK,sankhesh/CTK,Sardge/CTK,pieper/CTK,laurennlam/CTK,CJGoch/CTK,vovythevov/CTK,mehrtash/CTK,Heather/CTK,mehrtash/CTK,lassoan/CTK,Sardge/CTK,rkhlebnikov/CTK,ddao/CTK,jcfr/CTK,danielknorr/CTK,espakm/CTK,Heather/CTK,jcfr/CTK,AndreasFetzer/CTK,Heather/CTK,fedorov/CTK,danielknorr/CTK,sankhesh/CTK,SINTEFMedtek/CTK,151706061/CTK,finetjul/CTK,rkhlebnikov/CTK,commontk/CTK,CJGoch/CTK,commontk/CTK,SINTEFMedtek/CTK,CJGoch/CTK,sankhesh/CTK,SINTEFMedtek/CTK,commontk/CTK,lassoan/CTK,naucoin/CTK,151706061/CTK,msmolens/CTK,sankhesh/CTK,rkhlebnikov/CTK,espakm/CTK,pieper/CTK,msmolens/CTK,laurennlam/CTK,vovythevov/CTK,SINTEFMedtek/CTK,vovythevov/CTK,151706061/CTK,naucoin/CTK,pieper/CTK,mehrtash/CTK,lassoan/CTK,lassoan/CTK,commontk/CTK,msmolens/CTK,AndreasFetzer/CTK,CJGoch/CTK