(Reuters) – Google Inc is buying JetPac Inc, the startup that designs social travel applications disclosed on its website on Friday, without providing details. Well be removing Jetpacs apps from the App Store in the coming days, and ending support for them on 9/15, stated a posting on JetPacs homepage. (http://bit.ly/1b66Re9) San Francisco-based JetPac has created a mobile application that uses pictures from various social networking sites to create city guides. Earlier this year, Google bought Nest Labs Inc, which makes smart thermostat and smoke alarms, for $3. …