enable msvc win32 project

windows/README.md

@@ -4,6 +4,7 @@ How to Build Windows Version
 =====
 * Open the solution file with Visual Studio
 * Select x64 and Release in build
+	- For 32bit windows or python, try win32 and Release (not fully tested)
 * Rebuild all
 
 This should give you xgboost.exe for CLI version and xgboost_wrapper.dll for python

windows/xgboost/xgboost.vcxproj

@@ -93,11 +93,14 @@
       <Optimization>MaxSpeed</Optimization>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
+      <OpenMPSupport>true</OpenMPSupport>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
     </ClCompile>
     <Link>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
       <OptimizeReferences>true</OptimizeReferences>
+      <AdditionalDependencies>$(OutDir)\rabit.lib;%(AdditionalDependencies)</AdditionalDependencies>
     </Link>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">

windows/xgboost_wrapper/xgboost_wrapper.vcxproj

@@ -95,11 +95,13 @@
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <OpenMPSupport>true</OpenMPSupport>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
     </ClCompile>
     <Link>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
       <OptimizeReferences>true</OptimizeReferences>
+      <AdditionalDependencies>$(OutDir)\rabit.lib;%(AdditionalDependencies)</AdditionalDependencies>
     </Link>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">