Fixed problem with support VS2010

VS2010 throw error: Could not load file or assembly
'Microsoft.VisualStudio.Shell.10.0, Version=14.0.0.0, Culture=neutral,
PublicKeyToken=b03f5f7f11d50a3a' or one of its dependencies.

Author: sharomank

RegexTester/RegexTester.csproj

@@ -32,7 +32,7 @@
     <AssemblyName>RegexTester</AssemblyName>
     <SignAssembly>True</SignAssembly>
     <AssemblyOriginatorKeyFile>Key.snk</AssemblyOriginatorKeyFile>
-    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
     <MinimumVisualStudioVersion>14.0</MinimumVisualStudioVersion>
     <FileUpgradeFlags>
     </FileUpgradeFlags>
@@ -65,7 +65,11 @@
   <ItemGroup>
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="Microsoft.VisualStudio.OLE.Interop" />
-    <Reference Include="Microsoft.VisualStudio.Shell.10.0" />
+    <Reference Include="Microsoft.VisualStudio.Shell.10.0, Version=14.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+      <SpecificVersion>False</SpecificVersion>
+      <HintPath>lib\Microsoft.VisualStudio.Shell.10.0.dll</HintPath>
+      <Private>False</Private>
+    </Reference>
     <Reference Include="Microsoft.VisualStudio.Shell.Interop" />
     <Reference Include="Microsoft.VisualStudio.Shell.Interop.8.0" />
     <Reference Include="Microsoft.VisualStudio.Shell.Interop.9.0" />

RegexTester/RegexTester.sln

@@ -1,6 +1,8 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio 2012
+# Visual Studio 14
+VisualStudioVersion = 14.0.22310.1
+MinimumVisualStudioVersion = 10.0.40219.1
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "RegexTester", "RegexTester.csproj", "{472CA577-C4D4-4C2E-BE98-FE1424D4656B}"
 EndProject
 Global