msvc: Optimize "Release" builds

It is awkward not using optimization.

Author: hebasto

build_msvc/common.init.vcxproj.in

@@ -57,7 +57,7 @@
 
 <ItemDefinitionGroup Condition="'$(Configuration)'=='Release'">
     <ClCompile>
-      <Optimization>Disabled</Optimization>
+      <Optimization>MaxSpeed</Optimization>
       <WholeProgramOptimization>false</WholeProgramOptimization>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>

build_msvc/libleveldb/libleveldb.vcxproj

@@ -51,7 +51,7 @@
   <ItemDefinitionGroup>
      <ClCompile>
        <PreprocessorDefinitions>HAVE_CRC32C=0;HAVE_SNAPPY=0;LEVELDB_IS_BIG_ENDIAN=0;_UNICODE;UNICODE;_CRT_NONSTDC_NO_DEPRECATE;LEVELDB_PLATFORM_WINDOWS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
-       <DisableSpecificWarnings>4244;4267</DisableSpecificWarnings>
+       <DisableSpecificWarnings>4244;4267;4722</DisableSpecificWarnings>
        <AdditionalIncludeDirectories>..\..\src\leveldb;..\..\src\leveldb\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
      </ClCompile>
   </ItemDefinitionGroup>

build_msvc/test_bitcoin/test_bitcoin.vcxproj

@@ -59,6 +59,11 @@
       <Project>{18430fef-6b61-4c53-b396-718e02850f1b}</Project>
     </ProjectReference>
   </ItemGroup>
+  <ItemDefinitionGroup>
+     <ClCompile>
+       <DisableSpecificWarnings>4018;4244;4267;4703;4715;4805</DisableSpecificWarnings>
+     </ClCompile>
+  </ItemDefinitionGroup>
   <Target Name="RawBenchHeaderGen" BeforeTargets="PrepareForBuild">
     <PropertyGroup>
       <ErrorText>There was an error executing the JSON test header generation task.</ErrorText>