Add hint on requiring fs module in settings.js
Handle debug boolean complete properties
Minor UI tweaks to RPi node
Add "topic based fair queue" option to delay node
Reduce logging for exec node
(can be re-enabled by using node -v red.js ... )
Try to ensure TCP node closes server connections on redeploy
(to clean up properly - especially in case of port changes)

Closes Issue #454
Clone messages before any node.receive call
Node drag start threshold incorrectly calculated
correcting typos in trigger node... oops
Add ⌘ Cmd key as alternative to Ctrl key to make Mac users happy.
Inject node calculating hour interval period incorrectly
Fixes #455
Merge branch 'master' of github.com:node-red/node-red
Inject node interval error
part two of #455
Better attempt at adding Apple meta key
Change node can set msg property to another msg property. Closes #456
Merge pull request #457 from anna2130/change-node-multi-level-properties

Change node can set msg property to another msg property. Closes #456
Neater fix for Mac meta key - thanks to Nick.
Fix http in node close wrinkle if cors enabled but not used.
Return sensible name to display for Delay node Queue mode
Add subflow support