Added a pair-not-selected state on the trading balances widget
Use better way of handling different states inside widget
Merge pull request #884 from stellar/corresponding-balances-loading-state-883

Added a pair-not-selected state on the trading balances widget
Show gateway url (and not federation) in trading widget
Trading balance link gateway indentation
Merge pull request #890 from stellar/trading-balances-federation-885

Show gateway url (and not federation) in trading widget
Recognize & process action links on state changes
User bootstrap drop downs for issuer selection
Don't try fetch currencies if the domain is empty