Changing to akka 2.3.4
Merge branch 'master' of https://github.com/michaelpisula/circuit-breaker-template

Conflicts:
	src/main/java/com/tngtech/akka/PersistingCircuitBreaker.java
Finished updating code for akka 2.3.4
Changed dispatcher used for circuit breaker
Finished updating tutorial for akka 2.3.4
Reformatted code to look nicer
minor improvements
Merge pull request #2 from michaelpisula/akka_2.3.4

Update for Akka 2.3.4