Added Visual Studio solution files for WinRT projects

VisualC-WinRT/UWP_VS2015/SDL-UWP.sln

@@ -0,0 +1,34 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 14
+VisualStudioVersion = 14.0.25420.1
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "SDL2-UWP", "SDL-UWP.vcxproj", "{89E9B32E-A86A-47C3-A948-D2B1622925CE}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|ARM = Debug|ARM
+		Debug|x64 = Debug|x64
+		Debug|x86 = Debug|x86
+		Release|ARM = Release|ARM
+		Release|x64 = Release|x64
+		Release|x86 = Release|x86
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{89E9B32E-A86A-47C3-A948-D2B1622925CE}.Debug|ARM.ActiveCfg = Debug|ARM
+		{89E9B32E-A86A-47C3-A948-D2B1622925CE}.Debug|ARM.Build.0 = Debug|ARM
+		{89E9B32E-A86A-47C3-A948-D2B1622925CE}.Debug|x64.ActiveCfg = Debug|x64
+		{89E9B32E-A86A-47C3-A948-D2B1622925CE}.Debug|x64.Build.0 = Debug|x64
+		{89E9B32E-A86A-47C3-A948-D2B1622925CE}.Debug|x86.ActiveCfg = Debug|Win32
+		{89E9B32E-A86A-47C3-A948-D2B1622925CE}.Debug|x86.Build.0 = Debug|Win32
+		{89E9B32E-A86A-47C3-A948-D2B1622925CE}.Release|ARM.ActiveCfg = Release|ARM
+		{89E9B32E-A86A-47C3-A948-D2B1622925CE}.Release|ARM.Build.0 = Release|ARM
+		{89E9B32E-A86A-47C3-A948-D2B1622925CE}.Release|x64.ActiveCfg = Release|x64
+		{89E9B32E-A86A-47C3-A948-D2B1622925CE}.Release|x64.Build.0 = Release|x64
+		{89E9B32E-A86A-47C3-A948-D2B1622925CE}.Release|x86.ActiveCfg = Release|Win32
+		{89E9B32E-A86A-47C3-A948-D2B1622925CE}.Release|x86.Build.0 = Release|Win32
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal

VisualC-WinRT/WinPhone80_VS2012/SDL-WinPhone80.sln

@@ -0,0 +1,26 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 2012
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "SDL2-WinPhone80", "SDL-WinPhone80.vcxproj", "{33048AF1-031A-4CE6-B61E-FAD2DB832E9E}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|ARM = Debug|ARM
+		Debug|Win32 = Debug|Win32
+		Release|ARM = Release|ARM
+		Release|Win32 = Release|Win32
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{33048AF1-031A-4CE6-B61E-FAD2DB832E9E}.Debug|ARM.ActiveCfg = Debug|ARM
+		{33048AF1-031A-4CE6-B61E-FAD2DB832E9E}.Debug|ARM.Build.0 = Debug|ARM
+		{33048AF1-031A-4CE6-B61E-FAD2DB832E9E}.Debug|Win32.ActiveCfg = Debug|Win32
+		{33048AF1-031A-4CE6-B61E-FAD2DB832E9E}.Debug|Win32.Build.0 = Debug|Win32
+		{33048AF1-031A-4CE6-B61E-FAD2DB832E9E}.Release|ARM.ActiveCfg = Release|ARM
+		{33048AF1-031A-4CE6-B61E-FAD2DB832E9E}.Release|ARM.Build.0 = Release|ARM
+		{33048AF1-031A-4CE6-B61E-FAD2DB832E9E}.Release|Win32.ActiveCfg = Release|Win32
+		{33048AF1-031A-4CE6-B61E-FAD2DB832E9E}.Release|Win32.Build.0 = Release|Win32
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal

VisualC-WinRT/WinPhone81_VS2013/SDL-WinPhone81.sln

@@ -0,0 +1,28 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 2013
+VisualStudioVersion = 12.0.40629.0
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "SDL2-WinPhone81", "SDL-WinPhone81.vcxproj", "{48FADC0E-964D-4DAB-BCED-372E0AD19577}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|ARM = Debug|ARM
+		Debug|Win32 = Debug|Win32
+		Release|ARM = Release|ARM
+		Release|Win32 = Release|Win32
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{48FADC0E-964D-4DAB-BCED-372E0AD19577}.Debug|ARM.ActiveCfg = Debug|ARM
+		{48FADC0E-964D-4DAB-BCED-372E0AD19577}.Debug|ARM.Build.0 = Debug|ARM
+		{48FADC0E-964D-4DAB-BCED-372E0AD19577}.Debug|Win32.ActiveCfg = Debug|Win32
+		{48FADC0E-964D-4DAB-BCED-372E0AD19577}.Debug|Win32.Build.0 = Debug|Win32
+		{48FADC0E-964D-4DAB-BCED-372E0AD19577}.Release|ARM.ActiveCfg = Release|ARM
+		{48FADC0E-964D-4DAB-BCED-372E0AD19577}.Release|ARM.Build.0 = Release|ARM
+		{48FADC0E-964D-4DAB-BCED-372E0AD19577}.Release|Win32.ActiveCfg = Release|Win32
+		{48FADC0E-964D-4DAB-BCED-372E0AD19577}.Release|Win32.Build.0 = Release|Win32
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal

VisualC-WinRT/WinRT81_VS2013/SDL-WinRT81.sln

@@ -0,0 +1,34 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 2013
+VisualStudioVersion = 12.0.40629.0
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "SDL2-WinRT81", "SDL-WinRT81.vcxproj", "{C8DF6173-06A1-4F56-A9BC-2002596B30E9}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|ARM = Debug|ARM
+		Debug|Win32 = Debug|Win32
+		Debug|x64 = Debug|x64
+		Release|ARM = Release|ARM
+		Release|Win32 = Release|Win32
+		Release|x64 = Release|x64
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{C8DF6173-06A1-4F56-A9BC-2002596B30E9}.Debug|ARM.ActiveCfg = Debug|ARM
+		{C8DF6173-06A1-4F56-A9BC-2002596B30E9}.Debug|ARM.Build.0 = Debug|ARM
+		{C8DF6173-06A1-4F56-A9BC-2002596B30E9}.Debug|Win32.ActiveCfg = Debug|Win32
+		{C8DF6173-06A1-4F56-A9BC-2002596B30E9}.Debug|Win32.Build.0 = Debug|Win32
+		{C8DF6173-06A1-4F56-A9BC-2002596B30E9}.Debug|x64.ActiveCfg = Debug|x64
+		{C8DF6173-06A1-4F56-A9BC-2002596B30E9}.Debug|x64.Build.0 = Debug|x64
+		{C8DF6173-06A1-4F56-A9BC-2002596B30E9}.Release|ARM.ActiveCfg = Release|ARM
+		{C8DF6173-06A1-4F56-A9BC-2002596B30E9}.Release|ARM.Build.0 = Release|ARM
+		{C8DF6173-06A1-4F56-A9BC-2002596B30E9}.Release|Win32.ActiveCfg = Release|Win32
+		{C8DF6173-06A1-4F56-A9BC-2002596B30E9}.Release|Win32.Build.0 = Release|Win32
+		{C8DF6173-06A1-4F56-A9BC-2002596B30E9}.Release|x64.ActiveCfg = Release|x64
+		{C8DF6173-06A1-4F56-A9BC-2002596B30E9}.Release|x64.Build.0 = Release|x64
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal