Holy crap auth works (#2099)

* Holy crap auth works

* Fix some usages of UserID instead of UserName

* Refactor preferences.

They be non-async now. Also faster.

* Rename DbContext.

* Guest username assignment.

* Fix saving of profiles.

* Don't store data for guests.

* Fix generating invalid random colors.

* Don't allow dumb garbage for char preferences.

* Bans.

* Lol forgot to fill out the command description.

* Connection log.

* Rename all the tables and columns to be snake_case.

* Re-do migrations.

* Fixing tests and warnings.

* Update submodule

Content.Server/ServerContentIoC.cs

@@ -3,6 +3,7 @@ using Content.Server.AI.WorldState;
 using Content.Server.Body.Network;
 using Content.Server.Cargo;
 using Content.Server.Chat;
+using Content.Server.Database;
 using Content.Server.GameObjects.Components.Mobs.Speech;
 using Content.Server.GameObjects.Components.NodeContainer.NodeGroups;
 using Content.Server.GameObjects.Components.Power.PowerNetComponents;
@@ -34,6 +35,7 @@ namespace Content.Server
             IoCManager.Register<ICargoOrderDataManager, CargoOrderDataManager>();
             IoCManager.Register<IModuleManager, ServerModuleManager>();
             IoCManager.Register<IServerPreferencesManager, ServerPreferencesManager>();
+            IoCManager.Register<IServerDbManager, ServerDbManager>();
             IoCManager.Register<RecipeManager, RecipeManager>();
             IoCManager.Register<IPDAUplinkManager,PDAUplinkManager>();
             IoCManager.Register<INodeGroupFactory, NodeGroupFactory>();
@@ -43,6 +45,7 @@ namespace Content.Server
             IoCManager.Register<ConsiderationsManager, ConsiderationsManager>();
             IoCManager.Register<IBodyNetworkFactory, BodyNetworkFactory>();
             IoCManager.Register<IAccentManager, AccentManager>();
+            IoCManager.Register<IConnectionManager, ConnectionManager>();
         }
     }
 }