Maltese: new reduced verb implementation, using binding for pronominal suffixes

Also include some syntax stuff adapted from Angelo Zammit's dissertation.
These sections in the code are marked with [AZ]

The old verbs implementation can still be found at this point in the GitHub repo:
7b3f4a049d

lib/src/maltese/VerbMlt.gf

@@ -7,6 +7,28 @@
 concrete VerbMlt of Verb = CatMlt ** open Prelude, ResMlt in {
   flags optimize=all_subs ;
 
+  lin
+    -- V -> VP ;
+    UseV = predV ;
+
+    -- V2 -> VPSlash
+    SlashV2a = predV ;
+
+    -- VPSlash -> NP -> VP
+    ComplSlash vp np =
+      case np.isPron of {
+        -- Join pron to verb
+        True => {
+            s = \\vpf,ant,pol =>
+              let bits = vp.s ! vpf ! ant ! pol in
+              mkVParts (glue bits.stem (np.s ! CPrep)) bits.pol ;
+            s2 = \\agr => [] ;
+          } ;
+
+        -- Insert obj to VP
+        _ => insertObj (\\agr => np.s ! CPrep) vp
+      } ;
+
 -- Comp
 -- VP
 -- VPSplash