Add Win gypi files for qt520

Author: MykolaTryshnivskyy

platform/win/Readme_5.2.0.txt

@@ -0,0 +1,7 @@
+Minumum Requirements
+---------------------
+* Qt Win7 install:  http://download.qt-project.org/official_releases/qt/5.2/5.2.0/qt-windows-opensource-5.2.0-msvc2010-x86-offline.exe
+
+Setup:
+------
+In Qt command prompt run WebDriver.exe

platform/win/wd_qt5.2.0.gypi

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+{
+  'variables': {
+    'QT5':         '1',
+    'QT_BIN_PATH': 'c:\\Qt\\Qt5.2.0\\5.2.0\\msvc2010\\bin',
+    'QT_INC_PATH': 'c:\\Qt\\Qt5.2.0\\5.2.0\\msvc2010\\include',
+    'QT_LIB_PATH': 'c:\\Qt\\Qt5.2.0\\5.2.0\\msvc2010\\lib',
+  },
+}