Merge branch 'doc/ldap' of kosmos/chef into master

We should not log passwords in bash history files. This change will
prompt the user for the password instead.

doc/ldap.md

@@ -1,6 +1,6 @@
-# LDAP (389 Directory Server).
+# LDAP (389 Directory Server)
 
-## Credentials 
+## Credentials
 
 The admin account is `cn=Directory Manager` with the password stored in the
 encrypted data bag `admin_password` item
@@ -9,8 +9,8 @@ encrypted data bag `admin_password` item
 $ knife data bag show credentials dirsrv --secret-file .chef/encrypted_data_bag_secret
 ```
 
-## Example search:
+## Example search (will prompt for password):
 
 ```
-$ ldapsearch -x -w $password -D 'cn=Directory Manager' -b "ou=users,dc=kosmos,dc=org" -H "ldaps://ldap.kosmos.org" -v
+$ ldapsearch -x -W -D 'cn=Directory Manager' -b "ou=users,dc=kosmos,dc=org" -H "ldaps://ldap.kosmos.org" -v
 ```