2 minor changes:

* add created_by tag to get deleted in default style
* add notice that passwort can be specified via PGPASS
  environment variable to --help output




git-svn-id: http://svn.openstreetmap.org/applications/utils/export/osm2pgsql@26594 b9d5c4c9-76e1-0310-9c85-f3177eceb1e4

default.style

@@ -26,6 +26,7 @@
 # OsmType  Tag          DataType     Flags
 node,way   note         text         delete   # These tags can be long but are useless for rendering
 node,way   source       text         delete   # This indicates that we shouldn't store them
+node,way   created_by   text         delete
 
 node,way   access       text         linear
 node,way   addr:housename      text  linear

osm2pgsql.c

@@ -162,7 +162,8 @@ static void long_usage(char *arg0)
     printf("   -S|--style\t\tLocation of the style file. Defaults to " OSM2PGSQL_DATADIR "/default.style\n");
     printf("   -C|--cache\t\tOnly for slim mode: Use upto this many MB for caching nodes\n");
     printf("             \t\tDefault is 800\n");
-    printf("   -U|--username\tPostgresql user name.\n");
+    printf("   -U|--username\tPostgresql user name\n");
+    printf("             \t\tpassword can be given by prompt or PGPASS environment variable.\n");
     printf("   -W|--password\tForce password prompt.\n");
     printf("   -H|--host\t\tDatabase server hostname or socket location.\n");
     printf("   -P|--port\t\tDatabase server port.\n");