For Tuesday’s iLounge Deal, we’re offering the CleanMyMac 3 for only $27.99 — that’s 29% off the regular price. This powerful Mac utility app gives you what you need to keep your Mac running like new, working to improve your Mac’s performance by scanning and cleaning up your system, deleting large and unused files, reducing your iPhoto library sizes, uninstalling unneeded apps and related files, and more, in a simple and…