2017-03-29 Fred Gleason <fredg@paravelsystems.com>

* Added a 'CUTS.SHA1_HASH' field to the database.
	* Incremented the database version to 261.
	* Added a 'Sha1' column to the Cut List in 'rdlibrary/audio_cart.cpp'.
	* Added 'RDCut::sha1Hash()' and 'RDCut::setSha1Hash()' methods in
	'lib/rdcut.cpp' and 'lib/rdcut.h'.
	* Added a '--rehash=' directive to rddbcheck(8).
	* Added a 'Rehash' Web API call.
	* Added an 'RDRehash' class in 'lib/rdrehash.cpp' and 'lib/rdrehash.h'.

rdadmin/createdb.cpp

@@ -763,6 +763,7 @@ bool CreateDb(QString name,QString pwd)
       ISRC char(12),\
       ISCI char(32),\
       LENGTH INT UNSIGNED,\
+      SHA1_HASH char(40),\
       ORIGIN_DATETIME DATETIME,\
       START_DATETIME DATETIME,\
       END_DATETIME DATETIME,\
@@ -8346,6 +8347,20 @@ int UpdateDb(int ver)
     }
   }
 
+  if(ver<261) {
+    sql=QString("alter table CUTS add column ")+
+      "SHA1_HASH char(40) after LENGTH";
+    if(!RunQuery(sql)) {
+      return false;
+    }
+
+    sql="create index SHA1_HASH_IDX on CUTS(SHA1_HASH)";
+    if(!RunQuery(sql)) {
+      return false;
+    }
+  }
+
+
   
   //
   // Update Version Field