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

testsuite/lpgf/phrasebook/GreetingsUrd.gf

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+concrete GreetingsUrd of Greetings = SentencesUrd [mkGreeting,Greeting] ** open (P=Prelude) in {
+
+-- lincat 
+--  Greeting = {s : Str; lock_Text : {}} ;
+flags coding = utf8 ;
+lin 
+  GBye = P.ss "خدا حافظ" ;
+  GCheers = P.ss "چیرز" ;
+  GDamn = P.ss "اف" ;
+  GExcuse, GExcusePol = P.ss "معاف كیجیے گا" ;
+  GGoodDay = P.ss "دن بخیر" ; ----
+  GGoodEvening = P.ss "شام بخیر" ;
+  GGoodMorning = P.ss "صبح بخیر" ;
+  GGoodNight = P.ss "رات بخیر" ;
+  GGoodbye = P.ss "خدا حافظ" ;
+  GHello = P.ss "اسلام علیكم" ;
+  GHelp = P.ss "مدد" ;
+  GHowAreYou = P.ss "آپ كیسی ہو" ;
+  GLookOut = P.ss "دیكھ كر" ;
+  GNiceToMeetYou, GNiceToMeetYouPol = P.ss "آپ سے مل كر اچھا لگا" ;
+  GPleaseGive, GPleaseGivePol = P.ss "مہربانی كر كے" ;
+  GSeeYouSoon = P.ss "ملتے ہیں" ;
+  GSorry, GSorryPol = P.ss "معاف كیجیے گا" ;
+  GThanks = P.ss "شكریہ" ;
+  GTheCheck = P.ss "بل" ;
+  GCongratulations = P.ss "مبارك ہو";
+  GHappyBirthday = P.ss "سالگرہ مبارك" ;
+  GGoodLuck = P.ss "گڈ لك" ; 
+}