Use module:node name to generate set id
Fix jshint test
Add disableEditor option
Closes #409
Pretty-print the .config.json file for ease of debug
Add deprecation warnings to nodes
Added update functionality to mongodb out node
Allow user to select collection in mongo nodes using msg.collection
Merge pull request #410 from anna2130/mongo

Updates to MongoDB nodes
Only normalise known headers in http node
Handle blank config file
Rework nr-cli

- better componentisation
- add 'search' option to look for npm modules
- add 'target' option to point at non-default installs
Add cli tests