integrate OpeningHoursEditor plugin into JOSM

[mkoniecz]

What steps will reproduce the problem?

1. start describing how opening_hours tag can be mapped by typical humans
2. notice that in JOSM it requires installing plugin

What is the expected result?

JOSM is ready for opening_hours editing out of the box

What happens instead?

It is necessary to manually install plugins

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

triggered by making ​https://wiki.openstreetmap.org/w/index.php?title=Key:opening_hours&diff=1889522&oldid=1882483 edit

URL:https://josm.openstreetmap.de/svn/trunk
Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last:Changed Date: 2019-08-11 22:00:20 +0200 (Sun, 11 Aug 2019)
Build-Date:2019-08-12 01:30:56
Revision:15296
Relative:URL: ^/trunk

Identification: JOSM/1.5 (15296 en) Linux Ubuntu 16.04.6 LTS
Memory Usage: 419 MB / 869 MB (276 MB allocated, but free)
Java version: 1.8.0_201-b09, Oracle Corporation, Java HotSpot(TM) 64-Bit Server VM
Screen: :0.0 1920x1080
Maximum Screen Size: 1920x1080
libcommons-logging-java: libcommons-logging-java:all-1.2-1+build1
fonts-noto: fonts-noto:-

Plugins:
+ OpeningHoursEditor (34977)
+ PicLayer (35030)
+ buildings_tools (34982)
+ continuosDownload (82)
+ ejml (35049)
+ geotools (34908)
+ imagery_offset_db (34908)
+ jts (35064)
+ log4j (34908)
+ measurement (35051)
+ reverter (35084)
+ todo (30306)

Validator rules:
+ ${HOME}/Documents/install_moje/OSM software/josm/data/validator/deprecated.mapcss
+ ${HOME}/Documents/install_moje/OSM software/josm/data/validator/unnecessary.mapcss
+ ${HOME}/Documents/install_moje/OSM software/josm/data/validator/combinations.mapcss

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