fix #1815 change boost values

src/main/resources/fess_config.properties

@@ -386,9 +386,9 @@ zh_TW=zh-tw\n\
 zh=zh\n\
 
 # boost
-query.boost.title=0.2
+query.boost.title=0.01
 query.boost.title.lang=1.0
-query.boost.content=0.1
+query.boost.content=0.005
 query.boost.content.lang=0.5
 
 # acl