Remove unused variables.
Merge pull request #393 from hindessm/remove-unused-vars-in-nodes

Remove unused variables.
Fix logic so defined msg.payload is not prereq for delete.
Merge pull request #396 from hindessm/delete-should-not-require-defined-payload

Fix logic so defined msg.payload is not prereq for delete.
Allow IRC name changes when node chanel not set.
Trying to f ix #397
Fixed _spec.js test
Merge pull request #398 from anna2130/master

Fixed _spec.js test
Add ensureBuffer helper for nodes.
Merge pull request #400 from hindessm/add-ensure-buffer-helper

Add ensureBuffer helper for nodes.
Major Update to CSV node.
now handles lines, files, column names in first row, etc etc
Tidy up some little wrinkles in Inject node html labels etc
Added count and aggregate operations to MongoDB In node
Merge pull request #401 from anna2130/master

Added count and aggregate operations to MongoDB In node
Add hourly option to Inject Node time interval mode,
Fix a few UI wrinkles when editing.
Add nodelist api
Add enable/disable support to palette
Fix jshint errors
Remove console.log
Add onpaletteadd/remove handlers
Fix jshint