added no-dependency statement.

Author: blackhedd

Release-Announcement

@@ -1,7 +1,9 @@
 We're pleased to announce the first release of Net::LDAP, the first
 pure-Ruby LDAP library. Net::LDAP intends to be a feature-complete
 LDAP client which can access as much as possible of the functionality
-of the most-used LDAP server implementations.
+of the most-used LDAP server implementations. This library does
+not wrap any existing native-code LDAP libraries, creates no
+Ruby extensions, and has dependencies external to Ruby.
 
 Net::LDAP includes a full implementation of the LDAP wire-line
 protocol so it can also be used in LDAP server implementations.