Regenerate gemspec for version 1.1.1.pre.1
Fix comments to match method signature for JenkinsApi::Client::Job#artifact_archiver
Merge branch 'post-build-artifact-archiver' into hubert-jenkins-api-client
Add job configuration for promoted builds
Merge branch 'build-promotion-plugin' into hubert-jenkins-api-client

Conflicts:
	jenkins_api_client.gemspec
Bump version
Add Guardfile
Use gemspec helper to clean up Gemfile