iLounge has learned that Jawbone is on the cusp of re-releasing its UP bracelet, which was released last year only to be withdrawn from the market following user complaints. Originally sold for $100, UP debuted as a wearable, battery-powered motion sensor with an iOS app for tracking “activity, sleep and meals 24/7.” Acknowledging that “some people have experienced issues” with UP bands, Jawbone notably offered a full refund…