Made crystal not crash if make, ant, etc. are not present.  Just reports the error and does't run those commands.
Made crystal not crash if make, ant, etc. are not present.  Just reports the error and does't run those commands.

brunyuriy/crystalvc,KaranDagar/crystalvc,SoftwareEngineeringToolDemos/FSE-2011-Crystal,brunyuriy/crystalvc,KaranDagar/FSE-2011-Crystal---old,KaranDagar/crystalvc,SoftwareEngineeringToolDemos/FSE-2011-Crystal,KaranDagar/FSE-2011-Crystal---old,SoftwareEngineeringToolDemos/FSE-2011-Crystal