Bump wix toolset support, fix titles

Bundle a custom build of wix with vs2015
extension installation support
(https://github.com/shana/WiX.Toolset.NuGet).
Fix titles for installer.

src/MsiInstaller/MsiInstaller.wixproj

@@ -33,9 +33,6 @@
       <Name>WixVSExtension</Name>
     </WixExtension>
   </ItemGroup>
-  <ItemGroup>
-    <Content Include="packages.config" />
-  </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\GitHub.VisualStudio\GitHub.VisualStudio.csproj">
       <Name>GitHub.VisualStudio</Name>
@@ -46,8 +43,11 @@
       <RefTargetDir>INSTALLFOLDER</RefTargetDir>
     </ProjectReference>
   </ItemGroup>
+  <ItemGroup>
+    <Content Include="packages.config" />
+  </ItemGroup>
   <PropertyGroup>
-    <WixToolPath>$(SolutionDir)packages\WiX.Toolset.2015.3.10.0.1502\tools\wix\</WixToolPath>
+    <WixToolPath>$(SolutionDir)packages\WiX.Toolset.2015.3.10.0.1503\tools\wix\</WixToolPath>
     <WixTargetsPath>$(WixToolPath)wix.targets</WixTargetsPath>
     <WixTasksPath>$(WixToolPath)WixTasks.dll</WixTasksPath>
   </PropertyGroup>

src/MsiInstaller/Product.wxs

@@ -2,11 +2,11 @@
 <Wix xmlns="http://schemas.microsoft.com/wix/2006/wi"
      xmlns:netfx="http://schemas.microsoft.com/wix/NetFxExtension"
      xmlns:VSExtension="http://schemas.microsoft.com/wix/VSExtension">
-	<Product Id="9DABDBBB-3AF1-4F38-A0E0-2B99DFE5057A" Name="MsiInstaller" Language="1033" Version="1.0.0.0" Manufacturer="GitHub, Inc." UpgradeCode="ba510407-937d-43ab-a0d0-a23eb3efe376">
+	<Product Id="9DABDBBB-3AF1-4F38-A0E0-2B99DFE5057A" Name="GitHub Extension for Visual Studio"
+           Language="1033" Version="1.0.0.0" Manufacturer="GitHub, Inc." UpgradeCode="ba510407-937d-43ab-a0d0-a23eb3efe376">
 		<Package InstallerVersion="200" Compressed="yes" />
-
-		<MajorUpgrade DowngradeErrorMessage="A newer version of [ProductName] is already installed." />
-		<MediaTemplate />
+    <MajorUpgrade DowngradeErrorMessage="A newer version of [ProductName] is already installed." />
+		<MediaTemplate EmbedCab="yes"/>
 
 		<Feature Id="ProductFeature" Title="GitHub Extension for Visual Studio" Level="1">
 			<ComponentGroupRef Id="ProductComponents" />
@@ -23,7 +23,6 @@
 
 	<Fragment>
 		<ComponentGroup Id="ProductComponents" Directory="INSTALLFOLDER">
-			<!-- TODO: Remove the comments around this Component element and the ComponentRef below in order to add resources to this installer. -->
 			<Component Id="ProductComponent">
 		        <VSExtension:VsixPackage File="VsixFile" PackageId="c3d3dc68-c977-411f-b3e8-03b0dccf7dfc" />
 		        <File Id="VsixFile" Name="GitHub.VisualStudio.vsix" Source="$(var.GitHub.VisualStudio.TargetDir)\GitHub.VisualStudio.vsix"/>

src/MsiInstaller/packages.config

@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="WiX.Toolset.2015" version="3.10.0.1502" targetFramework="net4000" />
+  <package id="WiX.Toolset.2015" version="3.10.0.1503" targetFramework="net4000" />
 </packages>