Adopting Scala 2.10.2 and Akka 2.2 changes, Guava 14.0.1

Adopted ActorSelection and string interpolation. Got rid of all
deprecation warnings related to concurrent map and actorFor.

Microbenchmark project compiles and runs again.

Upgraded to use latest Guava 14.0.1 which introduces a
dependency to JSR305.
Merge branch 'master' of github.com:joa/hector