Use better names for components wrapped into HOC
Use better names for components wrapped into HOC

Currently the `displayName` of the component wrapped into HOC looks like `Constructor`, which isn't very descriptive.
This PR introduces a better `displayName` for such components: `Formsy(ComponentName)`
hanbar/formsy-react,aesopwolf/formsy,etshi/optiopay-form,track0x1/formsy-react,bitgaming/formsy-react,optiopay/optiopay-form,christianalfoni/formsy-react,meraki/mki-formsy-react