NOJIRA-0: Adding tests to authenticator and authenticated action

Change-Id: I3ebc63aef40abaa9e03f47217fcee6641afe7fe3
Adding an implementation of AuthErrorHandler to deal with HTTP response
codes.

Change-Id: I611f495b688934454e9387c5630c4e93b69f76e6
added travis configuration
added typesafe repository to make travis happy
configurd scala version to make travis happy
removed gerrit reviewers
leaving only 1 jdk to speed up travis build
moved config to build.sbt for now
fixed format of build.sbt