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/egekusii/AdjectiveGus.gf

@@ -0,0 +1,16 @@
+concrete AdjectiveGus of Adjective = CatGus **AdjectiveBantu-[ComparA,UseComparA,ComplA2] 
+with  (ResBantu = ResGus)** open DiffGus in
+{ 
+flags coding=utf8;
+  lin
+    ComparA a np = {
+      s = \\g,n => a.s  !AAdj g n  ++ conjThan  ++ np.s ! npNom ; 
+      isPre = False} ;
+
+    UseComparA a = {s = \\g,n=> a.s !AAdj g n;isPre = True};
+
+     ComplA2 a np = {
+      s = \\g,n => a.s  !AAdj g n  ++ a.c2 ++ np.s ! NPAcc; 
+      isPre = False
+      } ;
+    }