Vanjari Udyog Vishwa Photo Module-Like & Unlike functionality :
1)- Created 1 new table i.e. like_photo & one model(Entity) Class to map that table.
2)- Commited changes in photo.jsp & home.jsp to upload new photo.
3)- Commited changes in validation of new photo form.
4)- Commited changes to implement like & Unlike functionality for Photos.
5)- Implemented 2 new methods in DAO & Service Layer i.e.
    public void LikeThePhoto(LikePhoto likePhoto); to like photo.
    public List<LikePhoto> listLikePhoto(); to fetchliked photos.
Now we can like or Unlike Photos also on our business portal vanjari udyog vishwa.

Signed-off-by: manojsa <sawantmanojm@gmail.com>