Add some random words to Netbeans' dictionary

Change-Id: I57d250db5445d73795ad0da1b0da63bbd0ac0a30
Reviewed-on: http://gerrit.dmdirc.com/1584
Reviewed-by: Greg Holmes <greg@dmdirc.com>
Automatic-Compile: DMDirc Local Commits <dmdirc@googlemail.com>

nbproject/project.xml

@@ -19,5 +19,10 @@
             </test-roots>
         </data>
         <junit-version xmlns="http://www.netbeans.org/ns/junit/1" value="junit4"/>
+        <spellchecker-wordlist xmlns="http://www.netbeans.org/ns/spellchecker-wordlist/1">
+            <word>config</word>
+            <word>iff</word>
+            <word>validator</word>
+        </spellchecker-wordlist>
     </configuration>
 </project>