What are all these DLLs in the Castle ActiveRecord 3.0 beta?

This is a list of the DLLs in the Castle ActiveRecord 3.0 beta. Does anyone know what all these do? Which ones are required for a new project, and which ones are optional?

• Antlr3.Runtime.dll开发者_开发知识库
• Castle.ActiveRecord.dll
• Castle.ActiveRecord.Web.dll
• Castle.Components.Validator.dll
• Castle.Core.dll
• Iesi.Collections.dll
• log4net.dll
• NHibernate.ByteCode.Castle.dll
• NHibernate.dll
• NHibernate.Search.dll
• Remotion.Data.Linq.dll

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• Antlr3.Runtime.dll: used for HQL parsing in NHibernate
• Remotion.Data.Linq.dll: used as a base for the NHibernate Linq implementation.
• Iesi.Collections.dll implements ISet as always
• log4net.dll: logging as always
• NHibernate.Search.dll: integrates NHibernate with Lucene.net
• Castle.Components.Validator.dll: underlying validation implementation of ActiveRecord
• Castle.Core.dll: common stuff and DynamicProxy
• Castle.ActiveRecord.Web.dll: implements web session scopes. This was decoupled from Castle.ActiveRecord.dll to allow for framework client profiles.
• NHibernate.ByteCode.Castle.dll: NHibernate proxy implementation that uses DynamicProxy.