Add dropbox query node.
Add dropbox watch node.
Make missing credential checking more consistent.
Refactoring credentials into foursquare-credentials
Completed suggested improvements, slight node improvements
Merge pull request #39 from hindessm/more-dropbox-nodes

More dropbox nodes
Merge pull request #43 from Raminios/weather-tests

Added weather tests and minor bugfixes
Merge pull request #44 from zobalogh/instagram-location-extension

Adding metadata to Instagram payload
Merge pull request #45 from hbeeken/rename-swarm

[wip] Refactoring credentials into foursquare-credentials