Preparations for release of GF 3.3

+ Changing version numbers and dates here and there.
+ Simplify build-binary-dist.sh since pgf-http need not be built anymore.
+ Use--gf-lib-path to make the sample grammars for minibar compile even if GF
  is not installed.

WebSetup.hs

@@ -50,6 +50,7 @@ setupWeb gf args dest pkg lbi =
       where
         tmp_dir = gfo_dir</>tmp
         cmd = gf++" -make -s -optimize-pgf --gfo-dir="++tmp_dir++
+              " --gf-lib-path=dist/build/rgl"++
            -- " --output-dir="++grammars_dir++  -- has no effect?!
               " "++src