[VS Addin] Add visual studio 2012 support

visual_studio/NativeClientVSAddIn/InstallerResources/NaCl/NaCl.Toolset.default.props

Index: visual_studio/NativeClientVSAddIn/InstallerResources/NaCl/NaCl.Toolset.default.props
diff --git a/visual_studio/NativeClientVSAddIn/InstallerResources/NaCl/NaCl.Toolset.default.props b/visual_studio/NativeClientVSAddIn/InstallerResources/NaCl/NaCl.Toolset.default.props
index 781803eb23d4ae1247e5b2aaa0325ab3b3a1072e..cbceb329ae0f45166a2986dee5f08a5996f34860 100644
--- a/visual_studio/NativeClientVSAddIn/InstallerResources/NaCl/NaCl.Toolset.default.props
+++ b/visual_studio/NativeClientVSAddIn/InstallerResources/NaCl/NaCl.Toolset.default.props
@@ -3,6 +3,10 @@
   <ItemDefinitionGroup>
     <ClCompile>
       <ObjectFileName>$(IntDir)</ObjectFileName>
+      <TrackerLogDirectory      Condition="'%(ClCompile.TrackerLogDirectory)'       == ''">$(TLogLocation)</TrackerLogDirectory>
+      <ProgramDataBaseFileName  Condition="'%(ClCompile.ProgramDataBaseFileName)'   == '' and
+                                           '$(PlatformToolsetVersion)'              != ''">$(IntDir)vc$(PlatformToolsetVersion).pdb</ProgramDataBaseFileName>
+      <ProgramDataBaseFileName  Condition="'%(ClCompile.ProgramDataBaseFileName)'   == ''">$(IntDir)vc110.pdb</ProgramDataBaseFileName>
       <PreprocessorDefinitions  Condition="'%(ClCompile.PreprocessorDefinitions)'   == ''"></PreprocessorDefinitions>
       <Warnings                 Condition="'%(ClCompile.Warnings)'                  == ''">NormalWarnings</Warnings>
       <WarningsAsErrors         Condition="'%(ClCompile.WarningsAsErrors)'          == ''">false</WarningsAsErrors>
@@ -32,6 +36,7 @@
       <OutputFile>$(TargetDir)$(TargetName)$(TargetExt)</OutputFile>
       <AdditionalLibraryDirectories Condition="'%(Link.AdditionalLibraryDirectories)' == ''"></AdditionalLibraryDirectories>
       <AdditionalDependencies     Condition="'%(Link.AdditionalDependencies)'         == ''"></AdditionalDependencies>
+      <TrackerLogDirectory        Condition="'%(ClCompile.TrackerLogDirectory)'       == ''">$(TLogLocation)</TrackerLogDirectory>
       <IgnoreAllDefaultLibraries  Condition="'%(Link.IgnoreAllDefaultLibraries)'      == ''">false</IgnoreAllDefaultLibraries>
       <NaClSystemLibs             Condition="'%(Link.NaClSystemLibs)'                 == ''">c;m;log;gcc</NaClSystemLibs>
       <ReportUndefinedSymbols     Condition="'%(Link.ReportUndefinedSymbols)'         == ''">true</ReportUndefinedSymbols>