Maltese RG: first proper release

Of course some bugs remain and more testing is needed,
but all functions are complete and Maltese now builds as part
of the normal GF install.

src/api/SymbolicMlt.gf

@@ -1,5 +1,5 @@
---# -path=.:present:mathematical:prelude
+--# -path=.:alltenses
 
-resource SymbolicMlt = Symbolic with 
+resource SymbolicMlt = Symbolic with
   (Symbol = SymbolMlt),
   (Grammar = GrammarMlt) ;