Justin Ryan

When the [Build User Vars Plugin](https://wiki.jenkins-ci.org/display/JENKINS/Build+User+Vars+Plugin) is used, jenkins provides BUILD_USER_ID environment variable of the user who kicked off the job. This would be a better indicator than System.getProperty('user.name'). I...

Allowing message field to be null to match SLF4J behavior

4

(not really documented in Slf4j) Quick stab at fixing #11. Comments welcome.

LoggingEvent should accept a null message

2

Other Slf4j implementations accept a null for the message when logging. I believe the slf4j API also doesn't label the message as @Nonnull. Currently [LoggingEvent](https://github.com/Mahoney/slf4j-test/blob/master/src/main/java/uk/org/lidalia/slf4jtest/LoggingEvent.java#L327) has a checkNotNull check on...

I'm trying to compose my healthcheck based on other classes, which for me all return Observables. I'd like to be able to combine and map them down to an integer...