Wrapper : Default to lldb for debugging on OSX
Wrapper : Default to lldb for debugging on OSX

This has replaced gdb as the standard debugger.

ImageEngine/gaffer,GafferHQ/gaffer,GafferHQ/gaffer,ivanimanishi/gaffer,GafferHQ/gaffer,appleseedhq/gaffer,lucienfostier/gaffer,hradec/gaffer,boberfly/gaffer,boberfly/gaffer,lucienfostier/gaffer,ivanimanishi/gaffer,hradec/gaffer,appleseedhq/gaffer,appleseedhq/gaffer,johnhaddon/gaffer,ImageEngine/gaffer,hradec/gaffer,andrewkaufman/gaffer,GafferHQ/gaffer,andrewkaufman/gaffer,ImageEngine/gaffer,andrewkaufman/gaffer,ivanimanishi/gaffer,lucienfostier/gaffer,johnhaddon/gaffer,johnhaddon/gaffer,ImageEngine/gaffer,lucienfostier/gaffer,GafferHQ/gaffer,hradec/gaffer,johnhaddon/gaffer,appleseedhq/gaffer,hradec/gaffer,andrewkaufman/gaffer,johnhaddon/gaffer,boberfly/gaffer,andrewkaufman/gaffer,boberfly/gaffer,ivanimanishi/gaffer