Change the buy tab label to "Deposit" for GB IPs

[Jon-edge]

CHANGELOG

Does this branch warrant an entry to the CHANGELOG?

• [x] Yes
• [ ] No

Dependencies

none

Requirements

If you have made any visual changes to the GUI. Make sure you have:

• [x] Tested on iOS device
• [ ] Tested on Android device
• [ ] Tested on small-screen device (iPod Touch)
• [ ] Tested on large-screen device (tablet)