Don't pop up the menu to select a documentation language for non-interactive installs.  Default to not installing any documentation in that case.
Don't pop up the menu to select a documentation language for non-interactive
installs.  Default to not installing any documentation in that case.

MFC after:	1 week

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase