beremiz

fix twice shown error message box, when wrong non-valid IEC identifier entered

It happens when non-valid name for variable name or name of field in
structure entered. This issue is described in details here:
http://trac.wxwidgets.org/ticket/16333
{
"controller": {
},
"workers": [
{
"type": "router",
"options": {
"pythonpath": [".."]
},
"realms": [
{
"name": "Automation",
"roles": [
{
"name": "anonymous",
"permissions": [
{
"uri": "*",
"publish": true,
"subscribe": true,
"call": true,
"register": true
}
]
}
]
}
],
"transports": [
{
"type": "websocket",
"endpoint": {
"type": "tcp",
"port": 8888
},
"url": "ws://127.0.0.1:8888/",
"serializers" : ["msgpack"]
}
]
}
]
}