provide new sysconfig file, rename ldap to slapd

On some places, 'ldap' was used in context with OpenLDAP server, mostly
from historical reasons. This was changed  to 'slapd' where possible
without breaking configuration.

ldap.sysconfig

@@ -1,30 +0,0 @@
-# Options of slapd (see man slapd)
-#SLAPD_OPTIONS=
-
-# At least one of SLAPD_LDAP, SLAPD_LDAPI and SLAPD_LDAPS must be set to 'yes'!
-#
-# Run slapd with -h "... ldap:/// ..."
-#   yes/no, default: yes
-SLAPD_LDAP=yes
-
-# Run slapd with -h "... ldapi:/// ..."
-#   yes/no, default: yes
-SLAPD_LDAPI=yes
-
-# Run slapd with -h "... ldaps:/// ..."
-#   yes/no, default: no
-SLAPD_LDAPS=no
-
-# Run slapd with -h "... $SLAPD_URLS ..."
-# This option could be used instead of previous three ones, but:
-# - it doesn't overwrite settings of $SLAPD_LDAP, $SLAPD_LDAPS and $SLAPD_LDAPI options
-# - it isn't overwritten by settings of $SLAPD_LDAP, $SLAPD_LDAPS and $SLAPD_LDAPI options
-# example: SLAPD_URLS="ldapi:///var/lib/ldap_root/ldapi ldapi:/// ldaps:///"
-# default: empty
-#SLAPD_URLS=""
-
-# Maximum allowed time to wait for slapd shutdown on 'service ldap stop' (in seconds)
-#SLAPD_SHUTDOWN_TIMEOUT=3
-
-# Parameters to ulimit, use to change system limits for slapd
-#SLAPD_ULIMIT_SETTINGS=""

slapd.sysconfig

@@ -0,0 +1,12 @@
+# OpenLDAP server configuration
+# see 'man slapd' for additional information
+
+# Where the server will run (-h option)
+# - ldapi:/// is required for on-the-fly configuration using client tools
+#   (use SASL with EXTERNAL mechanism for authentication)
+# - default: ldapi:/// ldap:///
+# - example: ldapi:/// ldap://127.0.0.1/ ldap://10.0.0.1:1389/ ldaps:///
+SLAPD_URLS="ldapi:/// ldap:///"
+
+# Any custom options
+#SLAPD_OPTIONS=""