update home page url in manpages
add ykp_clear_config() for clearing all config flags
add getter functions for all configflags
use getter functions in ykpers-args.c
add pointer to setter function to mapping tables

also use those for import
check that the flag is set to what we check

since we overload flags in curious ways it's important to check that the
flag is set to the thing we check for, not just set.
fixup logic for import with targetConfig