Sylius/Sylius — pull request #1992 by liverbool (2014-10-06 18:21:10+00:00)
Title: Improve settings currency prevent user error.

| Q	| A |
|--------------------------|------ |
| Bug Fix?	| n |
| New Feature?	| n |
| BC Breaks?	| n |
| Deprecations?	| n |
| Tests Pass?	| n |
| Fixed Tickets	| |
| License	| MIT |
| Doc PR | |

This PR prevent user error, if user select none existing currency Sylius will throw error in many pages.