Merge pull request #264 from fsharath/fsharath

Fsharath
added blockedByBug 950099 - [ml][zh_CN][ru] locales should not
translate "RHN"
check for null in getAllFutureJSONPoolsDataAsListOfLists() loop
avoid ParseException when dateString is empty
added comment
added several VerifyListInstalledIsCached* tests to ComplianceTests
split tasks.clj into tools.clj, added caching blocker in facts