updated csproj files (part of big rename)

Author: fearthecowboy

PackageProvider.csproj

@@ -7,7 +7,7 @@
     <ProjectGuid>{12BC926F-A38B-47DB-A490-21E8686514F6}</ProjectGuid>
     <OutputType>Library</OutputType>
     <AppDesignerFolder>Properties</AppDesignerFolder>
-    <RootNamespace>OneGet</RootNamespace>
+    <RootNamespace>PackageManagement</RootNamespace>
     <AssemblyName>SampleProvider</AssemblyName>
     <FileAlignment>512</FileAlignment>
     <SolutionPropsPath Condition="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), solution.props)) != ''">$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), solution.props))\solution.props</SolutionPropsPath>
@@ -80,7 +80,7 @@
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <PropertyGroup>
     <PostBuildEvent>:Locate MT.EXE Tool:
-for /f "delims=" %25%25a in ('powershell "$p = ((Get-ItemProperty -Path HKCU:\Software\OneGet\tools\MT.EXE -Name Path -ea 0).Path) ;  if( -not $p ) { $p = ((dir ${env:ProgramFiles(x86)} -recurse -ea 0|  where -property name -eq mt.exe | select -first 1 ).FullName) ;    $null = mkdir -Path HKCU:\Software\OneGet\tools\MT.EXE -Force ;    $null = New-ItemProperty -Path HKCU:\Software\OneGet\tools\MT.EXE -Name Path -Value $p -force } ; $p"') do @set MTEXE=%25%25a
+for /f "delims=" %25%25a in ('powershell "$p = ((Get-ItemProperty -Path HKCU:\Software\PackageManagement\Tools\MT.EXE -Name Path -ea 0).Path) ;  if( -not $p ) { $p = ((dir ${env:ProgramFiles(x86)} -recurse -ea 0|  where -property name -eq mt.exe | select -first 1 ).FullName) ;    $null = mkdir -Path HKCU:\Software\PackageManagement\Tools\MT.EXE -Force ;    $null = New-ItemProperty -Path HKCU:\Software\PackageManagement\Tools\MT.EXE -Name Path -Value $p -force } ; $p"') do @set MTEXE=%25%25a
 
 :Run the tool to add the manifest to the binary.
 "%25MTEXE%25" -manifest $(ProjectDir)provider.manifest -outputresource:$(TargetPath);#101</PostBuildEvent>