Progress on multiplayer campaign:

- Moved SaveUtils to the shared project.
- Moved the "new game"/"load game" menu logic to a separate class.
- Somewhat functional campaign UI in the server lobby (only the map view is usable atm though).

Barotrauma/BarotraumaClient/BarotraumaClient.csproj

@@ -196,6 +196,7 @@
     <Compile Include="Source\PlayerInput.cs" />
     <Compile Include="Source\Program.cs" />
     <Compile Include="Source\Screens\BlurEffect.cs" />
+    <Compile Include="Source\Screens\CampaignSetupUI.cs" />
     <Compile Include="Source\Screens\CampaignUI.cs" />
     <Compile Include="Source\Screens\EditCharacterScreen.cs" />
     <Compile Include="Source\Screens\EditMapScreen.cs" />