Merge pull request #994 from righettod/ntlm_directories_add

Add a dict with common NTLM directories

Source: https://github.com/nyxgeek/ntlmscan

```
$ curl -sk https://raw.githubusercontent.com/nyxgeek/ntlmscan/master/paths.dict | cut -c 2- | sort -u
_windows/default.aspx?ReturnUrl=/
```

Discovery/Web-Content/ntlm-directories.txt

@@ -0,0 +1,48 @@
+_windows/default.aspx?ReturnUrl=/
+abs/
+adfs/ls/wia
+adfs/services/trust/2005/windowstransport
+aspnet_client/
+autodiscover/
+autoupdate/
+certenroll/
+certprov/
+certsrv/
+conf/
+debug/
+deviceupdatefiles_ext/
+deviceupdatefiles_int/
+dialin/
+ecp/
+etc/
+ews/
+exchange/
+exchweb/
+groupexpansion/
+hybridconfig/
+iwa/authenticated.aspx
+iwa/iwa_test.aspx
+mcx/
+mcx/mcxservice.svc
+meet/
+meeting/
+microsoft-server-activesync/
+oab/
+ocsp/
+owa/
+persistentchat/
+phoneconferencing/
+powershell/
+public/
+reach/sip.svc
+requesthandler/
+requesthandlerext/
+rgs/
+rgsclients/
+rpc/
+rpcwithcert/
+scheduler/
+ucwa/
+unifiedmessaging/
+webticket/
+webticket/webticketservice.svc