Move Java networking into submodule

Author: kennyvv

.gitmodules

@@ -6,3 +6,9 @@
 	path = submodules/MiNET
 	url = https://github.com/NiclasOlofsson/MiNET.git
 	update = rebase
+[submodule "submodules/Networking/Java"]
+	path = submodules/Networking/Java
+	url = git@github.com:ConcreteMC/Java-Protocol.git
+[submodule "submodules/ConcreteMC.Primitives"]
+	path = submodules/ConcreteMC.Primitives
+	url = git@github.com:ConcreteMC/Primitives.git

src/Alex.Common/Alex.Common.csproj

@@ -37,10 +37,10 @@
     </ItemGroup>
 
     <ItemGroup>
+        <ProjectReference Include="..\..\submodules\ConcreteMC.Primitives\src\Alex.Primitives.csproj" />
         <ProjectReference Include="..\..\submodules\MiNET\src\MiNET\MiNET\MiNET.csproj" />
         <ProjectReference Include="..\..\submodules\RocketUI\src\RocketUI\RocketUI.csproj" Exclude="MonoGame.Framework.DesktopGL">
         </ProjectReference>
-        <ProjectReference Include="..\Alex.Primitives\Alex.Primitives.csproj" />
         <ProjectReference Include="..\Alex.ResourcePackLib\Alex.ResourcePackLib.csproj" />
     </ItemGroup>
 </Project>