Fix main cmake file so it includes CTest
Fix main cmake file so it includes CTest

Issue #9

even if superbuilding.

MSV-Project/IBAMR,MSV-Project/IBAMR,MSV-Project/IBAMR,MSV-Project/IBAMR,MSV-Project/IBAMR,MSV-Project/IBAMR,MSV-Project/IBAMR