Added peacekeeping example back in. Doesn't compile yet.

examples/peacekeeping/english/PeaceSpoken_Eng.gf

@@ -0,0 +1,8 @@
+--# -path=.:..:present:prelude
+
+concrete PeaceSpoken_Eng of PeaceSpoken = 
+  Peace_Eng ** {
+
+  flags startcat = PhraseSpoken ; 
+
+}