Update C# WinCC Open Architecture Connector

New “C# WinCC Open Architecture Connector” version.

2013.01.01: Added Proxy-Server with client/server TCP/IP connection for dp(Query)Connects and unsolicited data multicasting.

2012.12.23: Added a very simple C# WinForms application which displays two datapoints, waits
for value changes and values can also be set by a button out of the WinForms application.

2012.12.23: Added WaitDataMulti function which performs a dpWaitForValue. Can be used to wait
for a change of value of data points of a taglist.