[WiP] [INFRA-100] - New IRCBot commands: renaming and deletion of components

The PR requires a new version of lib-jira-scraper (see https://github.com/jenkinsci/lib-jira-scraper/pull/1)
More info about change purposes: https://wiki.jenkins-ci.org/display/JENKINS/2014+JIRA+Components+Refactoring

Signed-off-by: Oleg Nenashev <o.v.nenashev@gmail.com>