Moving base/ into its own libxenia-base library.

build/Xenia.Cpp.x64.Checked.props

@@ -6,7 +6,6 @@
     <ClCompile>
       <MinimalRebuild>false</MinimalRebuild>
       <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
-      <EnableEnhancedInstructionSet>AdvancedVectorExtensions</EnableEnhancedInstructionSet>
       <ControlFlowGuard>Guard</ControlFlowGuard>
       <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
       <PreprocessorDefinitions>CHECKED;%(PreprocessorDefinitions)</PreprocessorDefinitions>
@@ -18,6 +17,9 @@
     <Lib>
       <AdditionalLibraryDirectories>$(SolutionDir)third_party\libav-xma-bin\lib\Debug;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
     </Lib>
+    <Link>
+      <IgnoreSpecificDefaultLibraries />
+    </Link>
   </ItemDefinitionGroup>
   <ItemGroup />
 </Project>