DATAMONGO-1192 - Switched to Spring 4.1's CollectionFactory.

spring-data-mongodb/src/main/java/org/springframework/data/mongodb/core/convert/MappingMongoConverter.java

@@ -29,10 +29,10 @@ import org.slf4j.LoggerFactory;
 import org.springframework.beans.BeansException;
 import org.springframework.context.ApplicationContext;
 import org.springframework.context.ApplicationContextAware;
+import org.springframework.core.CollectionFactory;
 import org.springframework.core.convert.ConversionException;
 import org.springframework.core.convert.ConversionService;
 import org.springframework.core.convert.support.DefaultConversionService;
-import org.springframework.data.convert.CollectionFactory;
 import org.springframework.data.convert.EntityInstantiator;
 import org.springframework.data.convert.TypeMapper;
 import org.springframework.data.mapping.Association;