Updated docs to include note to build core Autofac as Release before running appcert.exe tests.
Updated docs to include note to build core Autofac as Release before running
appcert.exe tests.

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