[images] added image asset BackgroundTile
[SMLRAddressBookViewController] now sets tiling background to table view and its seperator color
[SMLRAddressBookViewController] gui styling: now table cells are semi transparent
[SMLRAddressBookViewController] now set table section header myself
Merge pull request #12 from simlar/pullrequest-address-book-styling

Pullrequest: Address Book Styling