just adding more descriptive exception message for a registry that blows up when being found from scanning.  Closes GH-240
just adding more descriptive exception message for a registry that blows up when being found from scanning.  Closes GH-240

DixonD-git/structuremap,zhangwei900808/structuremap,NightOwl888/structuremap,hp4711/structuremap,zhangwei900808/structuremap,NightOwl888/structuremap,petemounce/structuremap,petemounce/structuremap,DixonDs/structuremap,NightOwl888/structuremap,hp4711/structuremap,NightOwl888/structuremap,DixonD-git/structuremap,DixonD-git/structuremap,petemounce/structuremap,khellang/structuremap,zhangwei900808/structuremap,zhangwei900808/structuremap,khellang/structuremap,DixonDs/structuremap,hp4711/structuremap,DixonD-git/structuremap,petemounce/structuremap,hp4711/structuremap