Regression: Validator did not longer warn about nodes without tags

[mdk]

What steps will reproduce the problem?

1. Set a node without tags (not as a member of a way)
2. Validate.

What is the expected result?

Warning about node without tags (as the stable version did)

What happens instead?

No warning and no info.

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

URL:http://josm.openstreetmap.de/svn/trunk
Repository:UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Last:Changed Date: 2016-01-28 22:19:39 +0100 (Thu, 28 Jan 2016)
Build-Date:2016-01-29 02:33:28
Revision:9664
Relative:URL: ^/trunk

Identification: JOSM/1.5 (9664 en) Linux Ubuntu 15.10
Memory Usage: 564 MB / 876 MB (188 MB allocated, but free)
Java version: 1.8.0_66-internal-b17, Oracle Corporation, OpenJDK Server VM
VM arguments: [-Djosm.restart=true, -Djosm.home=/home/michael/.josm-latest, -Djava.net.useSystemProxies=true]
Dataset consistency test: No problems found

Plugins:
- ColumbusCSV (31772)
- FastDraw (31895)
- HouseNumberTaggingTool (31772)
- Mapillary (31976)
- OpeningHoursEditor (31772)
- RoadSigns (31895)
- SimplifyArea (31895)
- apache-commons (31895)
- apache-http (31895)
- buildings_tools (31895)
- contourmerge (1014)
- imagery-xml-bounds (31772)
- imagery_offset_db (31895)
- pbf (31772)
- poly (31772)
- public_transport (31895)
- reltoolbox (31895)
- reverter (32005)
- terracer (31895)
- turnrestrictions (31895)
- utilsplugin2 (32018)

Last errors/warnings:
- E: java.net.SocketException: Socket closed
- W: Unable to remove primitives from TestError [tester=org.openstreetmap.josm.data.validation.tests.CrossingWays$Ways@41069fff, code=601, message=Crossing ways]
- W: Unable to remove primitives from TestError [tester=org.openstreetmap.josm.data.validation.tests.CrossingWays$Ways@41069fff, code=601, message=Crossing buildings]
- W: Unable to remove primitives from TestError [tester=MapCSSTagCheckerAndRule [rule=GroupedMapCSSRule [selectors=[area:closed:areaStyle >LinkSelector{conditions=null} area:closed:areaStyle], declaration=Declaration [instructions=[throwOther: ArrayFunction~tr(class java.lang.String <Overlapping Areas>);], idx=9]]], code=3000, message=Overlapping Areas]
- W: Unable to remove primitives from TestError [tester=MapCSSTagCheckerAndRule [rule=GroupedMapCSSRule [selectors=[area:closed:areaStyle >LinkSelector{conditions=null} area:closed:areaStyle], declaration=Declaration [instructions=[throwOther: ArrayFunction~tr(class java.lang.String <Overlapping Areas>);], idx=9]]], code=3000, message=Overlapping Areas]

[simon04]

In 9693/josm:

fix #12464 see #12464 - Regression: Validator did not longer warn about nodes without tags