#722 modify boost parameters

src/main/resources/fess_config.properties

@@ -248,10 +248,10 @@ zh-tw=zh-tw\n\
 
 
 # boost
-query.boost.title=1.6
-query.boost.title.lang=2.0
-query.boost.content=1.0
-query.boost.content.lang=1.3
+query.boost.title=0.2
+query.boost.title.lang=1.0
+query.boost.content=0.1
+query.boost.content.lang=0.5
 
 # acl
 smb.role.from.file=true