Solve exercise
Merge branch 'master' of https://github.com/fedragon/scala-io-exercise-1

Conflicts:
	.gitignore
	src/main/scala/com/xebia/exercise1/Receptionist.scala
	src/main/scala/com/xebia/exercise1/ReverseActor.scala
	src/test/scala/com/xebia/exercise1/ReceptionistSpec.scala
	src/test/scala/com/xebia/exercise1/ReverseActorSpec.scala