front增加imageList的数据返回
Merge branch 'ito' of https://github.com/liqian008/geekway.git into ito

Conflicts:
	geekway-admin/src/main/webapp/WEB-INF/jsp/ito/productSkuEdit.jsp
	geekway-admin/src/main/webapp/WEB-INF/jsp/ito/skuImageEdit.jsp
	geekway-front/src/main/java/com/bruce/geekway/controller/ito/ProductController.java
	geekway-service/src/main/java/com/bruce/geekway/dao/impl/ito/ItoSkuImageDaoImpl.java
	geekway-service/src/main/java/com/bruce/geekway/dao/impl/ito/ItoSliderDaoImpl.java
	geekway-service/src/main/java/com/bruce/geekway/dao/ito/IItoSkuImageDao.java
	geekway-service/src/main/java/com/bruce/geekway/service/impl/ito/ItoSkuImageServiceImpl.java
	geekway-service/src/main/java/com/bruce/geekway/service/ito/IItoSkuImageService.java