User can upload photo
If the user does not upload photo, photo selected by default
Replace Profile form.
Added:1)Displays the user's avatar. 2)Replaced comments.
Added Button 'return book' in User page
Added auto resize of images uploaded by users
Fixed Bug on page UpdateBook
Merge branch 'master' into New_branch2
Replaced function save in ProfileForm
media files have been removed.
Merge 'Profile' into master