stellar/stellar-client — pull request #818 by nullstyle (2014-09-16 22:26:59+00:00)
Title: Fix #815 and reduce subscription trashing on trading

This PR makes a couple of changes to the trading controller:
- It fixes a bug where we were making a subscribe request
where the currency was STR and we were supplying an issuer as well
- It refactors how we check validity of the currency selector form so
that we don't make 3-4 subscribe/unsubscribe calls to stellard as
the initial page is loaded