added test and fixed bug in future
Merge pull request #107 from wajam/fx-fix-future

Added test and fixed bug in future when onSuccess was called after the future was completed.
Specify Throwable type to avoid warnings in futures version of Scala
Merge pull request #108 from wajam/alex-futures-specify-throwable

Specify Throwable type to avoid warnings in futures version of Scala
Merge branch 'master' into olivier-mry-codec
Fix for Felix comments
Even better cleanup, using either!
Fix test related to previous changes