Move RomGame to client.common and set common to allow unsafe code

BizHawk.Client.Common/BizHawk.Client.Common.csproj

@@ -29,6 +29,7 @@
     <DefineConstants>TRACE;DOTNET20;UNMANAGED;COMPRESS</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
+    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="Newtonsoft.Json">
@@ -101,6 +102,7 @@
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="RecentFiles.cs" />
     <Compile Include="helpers\StringHelpers.cs" />
+    <Compile Include="RomGame.cs" />
     <Compile Include="tools\Cheat.cs" />
     <Compile Include="tools\CheatList.cs" />
     <Compile Include="tools\Watch.cs" />

BizHawk.MultiClient/BizHawk.MultiClient.csproj

@@ -353,7 +353,6 @@
     </Compile>
     <Compile Include="Program.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
-    <Compile Include="RomGame.cs" />
     <Compile Include="tools\Cheats\CheatEdit.cs">
       <SubType>UserControl</SubType>
     </Compile>