Added ignore users functionality inspired by https://github.com/github/hubot-scripts/blob/master/src/scripts/jira-issues.coffee
Merge branch 'master' of https://github.com/AndreasStokholm/hubot-jira-lookup

Conflicts:
	scripts/jira-lookup.coffee
Updated README
Merge pull request #9 from AndreasStokholm/master

Add functionality to ignore messages from specific users