[Win] Switch WebKit solution to Visual Studio 2013

[Win] Switch WebKit solution to Visual Studio 2013
https://bugs.webkit.org/show_bug.cgi?id=125192

Reviewed by Anders Carlsson.

Source/JavaScriptCore:

* JavaScriptCore.vcxproj/JavaScriptCore.vcxproj: Update for VS2013
* JavaScriptCore.vcxproj/LLInt/LLIntOffsetsExtractor/LLIntOffsetsExtractor.vcxproj:
Ditto
* JavaScriptCore.vcxproj/jsc/jsc.vcxproj: Ditto
* JavaScriptCore.vcxproj/testRegExp/testRegExp.vcxproj: Ditto
* JavaScriptCore.vcxproj/testapi/testapi.vcxproj: Ditto

Source/ThirdParty:

* gtest/msvc/gtest-md.vcxproj: Update for VS2013

Source/WebCore:

* WebCore.vcxproj/WebCore.vcxproj: Update for VS2013
* WebCore.vcxproj/WebCore.vcxproj.filters: Ditto
* WebCore.vcxproj/WebCoreTestSupport.vcxproj: Ditto

Source/WebInspectorUI:

* WebInspectorUI.vcxproj/WebInspectorUI.vcxproj: Update for VS2013

Source/WebKit:

* WebKit.vcxproj/Interfaces/Interfaces.vcxproj: Update for VS2013
* WebKit.vcxproj/WebKit.sln: Ditto
* WebKit.vcxproj/WebKit/WebKit.vcxproj: Ditto
* WebKit.vcxproj/WebKitExportGenerator/WebKitExportGenerator.vcxproj: Ditto
* WebKit.vcxproj/WebKitGUID/WebKitGUID.vcxproj: Ditto

Source/WTF:

* WTF.vcxproj/WTF.vcxproj: Update for VS2013
* WTF.vcxproj/WTF.vcxproj.filters: Ditto

Tools:

Project files must reference vs12_xp for 32-bit builds.

* DumpRenderTree/DumpRenderTree.vcxproj/DumpRenderTree/DumpRenderTree.vcxproj:
Update for VS2013
* DumpRenderTree/DumpRenderTree.vcxproj/DumpRenderTree/DumpRenderTreeLauncher.vcxproj:
Ditto
* DumpRenderTree/DumpRenderTree.vcxproj/ImageDiff/ImageDiff.vcxproj:
Ditto
* DumpRenderTree/DumpRenderTree.vcxproj/ImageDiff/ImageDiffLauncher.vcxproj:
Ditto
* DumpRenderTree/DumpRenderTree.vcxproj/TestNetscapePlugin/TestNetscapePlugin.vcxproj:
Ditto
* Scripts/webkitdirs.pm:
(visualStudioInstallDir): Specify VS2013
(visualStudioVersion): Ditto.
(setupAppleWinEnv): Use VS2013 in messages
(setupCygwinEnv): Ditto
* TestWebKitAPI/TestWebKitAPI.vcxproj/TestWebKitAPI.vcxproj:
Update for VS2013
* WinLauncher/WinLauncher.vcxproj/WinLauncher.vcxproj:
Ditto
* WinLauncher/WinLauncher.vcxproj/WinLauncherLib.vcxproj:
Ditto
* win/record-memory/record-memory.vcxproj:
Ditto

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@160548 268f45cc-cd09-0410-ab3c-d52691b4dbfc