Backed out changeset 8fd14fb62b52
Backed out changeset 8fd14fb62b52

This change had 2 problems:

 1) config.h was already being installed
 2) to properly install a generated file, we must reach into
    CMAKE_CURRENT_BINARY_DIR

Signed-off-by: Josef 'Jeff' Sipek <a620f141433c70aa9e43778305a6c68cbfadfb25@josefsipek.net>

jeffpc/libjeffpc,jeffpc/libjeffpc,jeffpc/libjeffpc,jeffpc/libjeffpc