Tag 3.0pre8 & update version.c.
Regenerate.
Re-tag 3.0pre8.
Tag 3.0pre8 & update version.c. (bis)
Fix: use a different variable.
Lookfor getpassphrase(3).
Make PAM non mandatory for Solaris 2.10.
Update.
Lookfor getpassphrase(3).
Add minimal .hgignore.
Change old-style message into MESSAGE*().
Add a MESSAGE_4() macro.
Use the new MESSAGE_4 macro.
Re-implement authentication with respect to PAM usage.

auth.c:
- move all authentication methods here
- rename verify_password as authenticate_user

calife.c:
- use authenticate_user

conf.h:
- Add error code for auth. process
- rename verify_password as authenticate_user

Makefile.in:
- add auth.{c,o} & dependencies

db.c:
- remove verify_password
Updated.
Added tag 3.0pre9 for changeset 022851d2e07d
Retire verify_password.
Remove trailing / as RadiantCMS does not use it.
Reformatting of whitespace.
Change all tabs into spaces.  Removed Arch-specific comment.