Evernote has released an update to Evernote Food, its food-focused companion app for Evernote, adding integration with Foursquare along with several camera-related and other improvements. Evernote Food allows iPhone and iPod touch users to capture and relive their meal experiences with photos and notes that can be organized and synced via the Evernote service. Users can add additional titles, locations, tags and captions to record the experience and…