Red Storm. Add stub functions to ompi_config_bottom.h when they are
around
* Add protection for a bunch of #include <netinet/in.h>s
* Fix up the Portals BTL so that it compiles on Red Storm and has the
right mojo for initialization on Red Storm
* Add some important comments to ompi_check_package and mvapi configures
* Add support for platforms without getpwuid() (aka, Red Storm).
This commit was SVN r6478.
