Added support for optional configuration directives
Reverted reference.conf
Refactored configuration
- Fixed a bug in defaultHostHeader dynamic setting
- Removed optional() from NlbConfiguration
- Now using a merge of reference.conf and application.conf, taken from classpath (no java flag needed anymore)
Disabled dead letters logging in Akka
Actually using the merged configuration on Actor System creation
Merge pull request #13 from wajam/clement-optional-config

Configuration refactoring