FleetMatics Group PLC (NYSE: FLTX) is soaring this morning in trading – why? As Mario Gabelli would say deals, deals, and….. Verizon Communications Inc. (NYSE:VZ) offered to buy the GPS maker at a huge premium (to what shares were trading at). FleetMatics Group are up about 40 percent at the time of this article on the merger news. So what are the details? Synergy Galore? Here is what the sell side is saying. FleetMatics Group PLC (NYSE: FLTX) Stifel On Monday, August 1, before the market open, Verizon announced it will acquire Fleetmatics Group for $60/share, for a total deal…