github/hubot-scripts — pull request #711 by lopopolo (2013-01-16 07:45:27+00:00)
Title: Prevent @cache from becoming null

When the jira plugin is loaded for the first time, there is
nothing stored in the brain. This causes @cache to get set to
null which results in errors being thrown during @cache.forEach

Only set the cache to data from the brain if that data exists.