Allow setting custom build status from build steps/pipelines

[TP_Honey]

@calind

uld be very useful to be able to set custom commit statuses for different build steps. For example, in the default pipeline, we usually have lint/test/build/publish steps. It would be great if we were able to set the continuous-integration/drone/lint build status for the co

http://plugins.drone.io/drone-plugins/drone-github-release/ seems like it would be a good fit.