Fixes #181 adds setup script for MinGW

Signed-off-by: Martin Melik Merkumians <melik-merkumians@acin.tuwien.ac.at>

bin/mingw/setup_mingw.bat

@@ -0,0 +1 @@
+cmake -G "MinGW Makefiles" -DCMAKE_INSTALL_PREFIX:PATH="C:/Program Files (x86)/OpENer" -DOpENer_PLATFORM:STRING="MINGW"  ../../source