Merge branch 'activity' into user-activity

Including most recent changes, lookupUser and bounceUser
activities views changes to the user-activity branch
querying the foursquare venues database
historic weather search and foursquare location search functioning
additional weather and foursquare functionality
merging user-activity branch with the master branch
removed the foursquare node module
Merge pull request #11 from RJFryman/user-activity

Time to merge the user-activity branch with the master ... please?