Adding a bantu Functor (#32)

* added Bantu functor

*  added egekusii language based on Bantu functor

*  added kikamba language based on Bantu functor

*  added kiswahili language based on Bantu functor

src/bantu/PhraseBantu.gf

@@ -0,0 +1,31 @@
+incomplete concrete PhraseBantu of Phrase = 
+  CatBantu ** open CommonBantu, ResBantu, Prelude in { }
+{-}
+  flags optimize = all_subs ;
+
+  lin
+    PhrUtt pconj utt voc = {s = pconj.s ++ utt.s ++ voc.s} ;
+
+    UttS s = {s = s.s ! Indic} ;
+    UttQS qs = {s = qs.s ! QDir} ;
+    UttImpSg pol imp  = {s = pol.s ++ imp.s ! pol.p ! ImpF Sg False ! Fem} ;
+    UttImpPl pol imp  = {s = pol.s ++ imp.s ! pol.p ! ImpF Pl False ! Fem} ;
+    UttImpPol pol imp = {s = pol.s ++ imp.s ! pol.p ! ImpF Sg True  ! Fem} ;
+
+    UttIP ip = {s = ip.s ! Nom} ; --- Acc also
+    UttIAdv iadv = iadv ;
+    UttNP np = {s = (np.s ! Nom).ton} ;
+    UttVP vp = {s = infVP vp (agrP3 Fem Sg)} ; --- Agr
+    UttAdv adv = adv ;
+    UttCN n = {s = n.s ! Sg} ;
+    UttAP ap = {s = ap.s ! AF Masc Sg} ;
+    UttCard n = {s = n.s ! Masc} ;
+    UttInterj i = i ;
+
+    NoPConj = {s = []} ;
+    PConjConj conj = {s = conj.s2} ;
+
+    NoVoc = {s = []} ;
+    VocNP np = {s = "," ++ (np.s ! Nom).ton} ;
+
+-}