Adding Instagram nodes
Fix tests to check the correct node.
Fix RED.util property name.
Merge pull request #35 from hindessm/fix-tests

Fix tests to check the correct node.
Merge pull request #36 from hindessm/fix-red-util-property

Fix RED.util property name.
Merge pull request #27 from zobalogh/instagram-node-dev

Instagram node
Add fitbit node.