handle null circuit breaker

This can be caused by a HystrixCommand disabling the circuit breaker.
Merge pull request #91 from benjchristensen/1.2.4

handle null circuit breaker
Version 1.2.4
1.2.5-SNAPSHOT

The build system didn't commit this so I'm doing it manually.
issue #60 Dashboard: Hover for full name (when shortened with ellipsis)
Merge pull request #93 from csabapalfi/issue-60

issue #60 Dashboard: Hover for full name (when shortened with ellipsis)
Force character encoding for event stream to utf-8

EventSource requires that text/event-stream response must be encoded
using UTF-8, so set it here. This way we can use another default for the
servlet container if required.
Merge pull request #94 from mpeltonen/eventstream-encoding

Force character encoding for event stream to utf-8
RequestLog: Reduce Chance of Memory Leak

https://github.com/Netflix/Hystrix/issues/53
Merge pull request #95 from benjchristensen/issue-53

RequestLog: Reduce Chance of Memory Leak
Update CHANGES.md
1.2.6-SNAPSHOT
Remove 'final' modifiers to allow mocking

https://github.com/Netflix/Hystrix/issues/96
Merge pull request #97 from benjchristensen/issue-96

Remove 'final' modifiers to allow mocking
1.2.7 Snapshot
Version 1.2.6
Experimental Clojure bindings for Hystrix
Merge pull request #99 from daveray/hystrix-clj

Experimental Clojure bindings for Hystrix
clojuresque 1.5.4

clojuresque 1.5.5 isn't out yet so ...
1.2.8-snapshot