traffic_sign=city_limit preset should ask direction

[francians]

Creating a new city_limit from a template also direction (forward/backward) should be asked.

Please provide any additional information below. Attach a screenshot if possible.

URL:https://josm.openstreetmap.de/svn/trunk
Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last:Changed Date: 2019-06-03 00:05:30 +0200 (Mon, 03 Jun 2019)
Build-Date:2019-06-02 22:10:24
Revision:15155
Relative:URL: ^/trunk

Identification: JOSM/1.5 (15155 it) Linux Antergos Linux
Memory Usage: 1353 MB / 3541 MB (731 MB allocated, but free)
Java version: 1.8.0_181-b13, Oracle Corporation, Java HotSpot(TM) 64-Bit Server VM
Screen: :0.0 1920x1080
Maximum Screen Size: 1920x1080
Dataset consistency test: No problems found

Plugins:
+ OpeningHoursEditor (34977)
+ PicLayer (35030)
+ buildings_tools (34982)
+ turnrestrictions (34977)
+ utilsplugin2 (34977)

Tagging presets:
+ ${HOME}/JOSM/miopreset.xml

Validator rules:
+ https://josm.openstreetmap.de/josmfile?page=Rules/SuspiciousSwimming_Pool&zip=1
+ ${HOME}/JOSM/MyRules.validator.mapcss

Last errors/warnings:
- W: No configuration settings found.  Using hardcoded default values for all pools.

[francians]

forgot to change the creator.. it's "francians"

[Klumbumbus]

In 15190/josm:

• fix #17815 - add direction=* to traffic_sign presets
• warn about traffic_sign=maxspeed without maxspeed=*