notes and toasts deleted.

my notes:
AddNewBook: -inside "onNewIntent" there is weird toast.
                       -I deleted toasts inside catch phrase.
BookCartAactivity: -I didn't touched the toast inside GetBookBarcode because I                                  didn't know if you finished the tests.
OnItemClickListenerListViewItem: -I didn't touched because it never used. delete
                                                       it if you want.
ReturnRoutActivity: -I didn't touched because I thoght you may work with this                                 class.
SearchBook: -I didn't delete the old url because we may use it.
WebActivity: -I didn't touched. delete it if you want.