Spelling fixes to progdoc.
Added library progdocs.
Use dmalloc instead of EFence when available (dmalloc has lot of improvementsover EFence and also hopefully smaller memory overhead, but sadly it's non-freefor commercial use).
If the DMALLOC_OPTIONS environment variable is not set, switch on `reasonable'...
BIRD library: The story continues.
Complete resource manages and IP address handling.