IBATISNET-269 Allow to change de Dynamuc SQL ibatis engine via Configuration, see the property DynamicSqlEngine on ConfigurationSetting

Files:
modified: /ibatis/trunk/cs/V3/src/Apache.Ibatis.DataMapper.SqlClient.Test.2005/Fixtures/Mapping/VelocityTest.cs (try)
modified: /ibatis/trunk/cs/V3/src/Apache.Ibatis.DataMapper/Configuration/DefaultModelBuilder.cs (try)
modified: /ibatis/trunk/cs/V3/src/Apache.Ibatis.DataMapper/Model/Statements/IStatement.cs (try)
modified: /ibatis/trunk/cs/V3/src/Apache.Ibatis.DataMapper.SqlClient.Test.2005/Domain/NVelocitySqlSource.cs (try)
modified: /ibatis/trunk/cs/V3/src/Apache.Ibatis.DataMapper/Configuration/ModelBuilder/BuildStatements.cs (try)
modified: /ibatis/trunk/cs/V3/src/Apache.Ibatis.DataMapper/Model/Statements/Statement.cs (try)
modified: /ibatis/trunk/cs/V3/src/Apache.Ibatis.DataMapper/Configuration/ConfigurationSetting.cs (try)
modified: /ibatis/trunk/cs/V3/src/Apache.Ibatis.DataMapper.SqlClient.Test.2005/Maps/Dynamic.Velocity.xml (try)