Added .orig files to .hgignore.
Added .orig files to .hgignore.

hlltbrk/autofac,neoe1984/autofac,satish860/autofac,satish860/autofac,satish860/autofac,satish860/autofac,neoe1984/autofac,hlltbrk/autofac,hlltbrk/autofac,neoe1984/autofac,hlltbrk/autofac,neoe1984/autofac