Andrey Skvortsov <andrej.skvortzov@gmail.com> [Thu, 21 Apr 2016 20:42:37 +0300] rev 1498
fix deprecation warnings about accessing properties m_x, m_y of wxKeyEvent
/home/beremiz/beremiz/controls/PouInstanceVariablesPanel.py:354: wxPyDeprecationWarning: Accessing deprecated property.
event.m_x = size.width / 2