Remove references to removed files

Removed references to 'res/images/UCOIN2014.jpg', 'res/images/ucoinsymb.bmp', 'res/images/ucoin13.png', 'res/images/ucoinpiggy.png', and 'res/images/wallet_bgcoin.png'.  These files no longer exist in the repo.
Merge pull request #1 from kruug/patch-1

Remove references to removed files