Add Phrasebook to testsuite. Move grammars into subfolders. Add run-bench script.

testsuite/lpgf/phrasebook/PhrasebookPol.gf

@@ -0,0 +1,13 @@
+--# -path=.:present
+
+concrete PhrasebookPol of Phrasebook = 
+  GreetingsPol,
+  WordsPol ** open 
+    SyntaxPol,
+    Prelude in {
+
+flags 
+  language = pl_PL ; optimize =values ; coding =utf8 ; 
+      
+
+}