Replace systemlinux.org URL and email address. Although the web page is still online at the old location, the new location at tuebingen.mpg.de is now the "official" one. This commit changes the URL in the INSTALL file and all email addresses to the new domain.
Rename bloom_test_and_insert() to bloom_insert(). In order to keep statistics up to date, we always need to do the test.
Rename bloom_init() to bloom_new().
bloom: Add some source documentation.
First draft of hard link detection via bloom filters.