Changes:

Fixed slapd substring filter_free bug

Fixed slapd suffix check bug

Fixed ldapdelete -c handling (ITS#1071)

Fixed ldapsearch -S handling

Fixed ldbm BerkeleyDB 3.0 support (ITS#1306)

Fixed ldbm dbhandle cache bug (ITS#1164)

Fixed shell fgets handling

Fixed -lldap TLS ldap.conf handling

Added -lldap improved TLS certificate checking

Added slapd access to dn.base="" support