By Alastair Sharp WATERLOO, Ontario | Tue Jul 10, 2012 8:10pm EDT (Reuters) - Research In Motion Ltd's new CEO vowed on Tuesday to turn around the embattled company with the new generation of BlackBerry devices coming next year, saying he would transform RIM into a "lean, mean, hunting machine." But Thorsten Heins, presiding over his first annual meeting since taking the helm, offered little to disgruntled shareholders beyond his faith in the power of the BlackBerry 10 line to reverse RIM's fortunes. Its battered stock fell another 5 percent after he spoke. "There was no mention of a sale of the company, no mention of a breakup of the company, and again, our big, big concern is…