Change Eclipse project name to AddressBook-Level2
Change Eclipse project name to AddressBook-Level2

imhongw/addressbook-level2,se-edu/addressbook-level2,zachylimwl/addressbook-level2,cheec/addressbook-level2,se-edu/addressbook-level2,zachylimwl/addressbook-level2,imhongw/addressbook-level2,cheec/addressbook-level2,mingruimingrui/addressbook-level2,mingruimingrui/addressbook-level2