still better names

Svelto.ECS/EnginesRoot.Engines.cs

@@ -43,7 +43,7 @@ namespace Svelto.ECS
             
             _groupedEntityToAdd = new DoubleBufferedEntityViews<Dictionary<int, Dictionary<Type, ITypeSafeDictionary>>>();
 
-            _DB = new EntityDb(_groupEntityDB);
+            _DB = new entitiesDB(_groupEntityDB);
 
             _scheduler = entityViewScheduler;
             _scheduler.Schedule(new WeakAction(SubmitEntityViews));

Svelto.ECS/EnginesRoot.Entities.cs

@@ -195,7 +195,7 @@ namespace Svelto.ECS
             return new EGID(firstID, toGroupId);
         }
 
-        readonly EntityDb _DB;
+        readonly entitiesDB _DB;
         
         //grouped set of entity views, this is the standard way to handle entity views
         readonly Dictionary<int, Dictionary<Type, ITypeSafeDictionary>>         _groupEntityDB;

Svelto.ECS/EntityDb.cs

@@ -5,9 +5,9 @@ using Svelto.Utilities;
 
 namespace Svelto.ECS.Internal
 {
-    class EntityDb : IEntityDB
+    class entitiesDB : IEntitiesDB
     {
-        internal EntityDb(Dictionary<int, Dictionary<Type, ITypeSafeDictionary>> groupEntityViewsDB)
+        internal entitiesDB(Dictionary<int, Dictionary<Type, ITypeSafeDictionary>> groupEntityViewsDB)
         {
             _groupEntityViewsDB = groupEntityViewsDB;
         }

Svelto.ECS/IEntityDB.cs → Svelto.ECS/IEntitiesDB.cs

@@ -3,7 +3,7 @@ using Svelto.Utilities;
 
 namespace Svelto.ECS
 {
-    public interface IEntityDB
+    public interface IEntitiesDB
     {
         /// <summary>
         /// All the EntityView related methods are left for back compatibility, but

Svelto.ECS/IQueryingEntitiesEngine.cs

@@ -2,7 +2,7 @@ namespace Svelto.ECS
 {
     public interface IQueryingEntitiesEngine : IEngine
     {
-        IEntityDB entitiesDB { set; }
+        IEntitiesDB entitiesDB { set; }
 
         void Ready();
     }