Issue #1258 - Part 1: Import mailnews, ldap, and mork from comm-esr52.9.1

ldap/xpcom/README.txt

@@ -0,0 +1,24 @@
+This is the home for XPCOM modules that implement LDAP functionality.
+
+What's Here
+-----------
+base/	
+	Implements a wrapper around the LDAP C SDK, as well as support
+	for ldap: URLs in the browser.  Written entirely in C++;
+	theoretically only depends on necko, xpcom, nspr, and the LDAP
+	C SDK.
+
+datasource/
+	An RDF datasource, written in Javascript. 
+
+tests/
+	Some basic tests to help ensure that things don't break as
+        development proceeds.  Currently, there is only some stuff for
+	testing the datasource.
+
+
+Building
+--------
+See <http://www.mozilla.org/directory/xpcom.html>.
+
+Dan Mosedale <dmose@mozilla.org>