Command key should be fully quantified.
This improves the Hystrix dashboard reporting information. 

If you have two fns with the same name in different namespaces,
their command key will be the same. This messes up any monitoring using the Hystrix dashboard.
It is also confusing that circuit breakers are only shown by their command key. 
Namespaces provide more useful information in reporting.
BugFix: queue() BadRequestException Handling on Cached Response

The HystrixBadRequestException was being thrown directly instead of via the returned Future when a cached response was retrieved.

See included unit test for details.
Merge pull request #181 from josephwilk/clojure-hystrix-command-names

[hystrix-contrib/hystrix-clj] Making Command keys quantified by namespaces.
Merge pull request #184 from benjchristensen/queue-cached-future-exception

BugFix: queue() BadRequestException Handling on Cached Response