[FIX] Trustlines: Remove concept of trustlines
RT-2171
[FIX] Gateways: UI changes
[FIX] Gateway: UI changes
[FIX] Gateway: UI changes
[FIX] Gateway UI: Add space instead of special character
Merge pull request #1482 from yongsoo/fix/nolimitgateway

[FIX] Gateway: UI changes