Added a Visual Studio 2010 version of the project

Minor changes to the solution file to make it compatible with VS10.

Builds/VisualStudio2010/open-ephys.sln

+Microsoft Visual Studio Solution File, Format Version 11.00
+Project("{8FA1AFF1-2558-DDD8-66E3-3288408D9CDF}") = "open-ephys", "open-ephys.vcxproj", "{92D8FACB-6E9B-1810-EC14-AD5A7FE1CD78}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Win32 = Debug|Win32
+		Release|Win32 = Release|Win32
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{92D8FACB-6E9B-1810-EC14-AD5A7FE1CD78}.Debug|Win32.ActiveCfg = Debug|Win32
+		{92D8FACB-6E9B-1810-EC14-AD5A7FE1CD78}.Debug|Win32.Build.0 = Debug|Win32
+		{92D8FACB-6E9B-1810-EC14-AD5A7FE1CD78}.Release|Win32.ActiveCfg = Release|Win32
+		{92D8FACB-6E9B-1810-EC14-AD5A7FE1CD78}.Release|Win32.Build.0 = Release|Win32
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal