[josm_plugins] update against recent core changes

git-svn-id: http://svn.openstreetmap.org/applications/editors/josm/plugins@30110 b9d5c4c9-76e1-0310-9c85-f3177eceb1e4
[josm_openinghours] remove generated code from SVN, use JOSM's JavaCC

git-svn-id: http://svn.openstreetmap.org/applications/editors/josm/plugins@30112 b9d5c4c9-76e1-0310-9c85-f3177eceb1e4
[josm_openinghours] ignore generated code

git-svn-id: http://svn.openstreetmap.org/applications/editors/josm/plugins@30113 b9d5c4c9-76e1-0310-9c85-f3177eceb1e4
[josm_openinghours] code cleanup

git-svn-id: http://svn.openstreetmap.org/applications/editors/josm/plugins@30114 b9d5c4c9-76e1-0310-9c85-f3177eceb1e4
[josm_openinghours] ignore generated code

git-svn-id: http://svn.openstreetmap.org/applications/editors/josm/plugins@30115 b9d5c4c9-76e1-0310-9c85-f3177eceb1e4