Add explicit CLA links
Merge pull request #183 from hardillb/master

fix delay node name when using random setting
UDP node fixes. Allow fixing of outbound port.
Fixes #178
Also fixed multicast binding to work more correctly.
Note: - if you fix the outbound port it will then be unvailable for input - as we are not setting up a pool.
tweak "leave blank for random" text for outgoing port
as per Nick's suggestion
Node defaults of 0 not showing in edit form
Fixes #186
Fix config node usage counts
add support for word overrides in sentiment node
Tidy-up language in change node
Update range node ui
Rework local port UI in udp node
Fix to allow blank password for Basic Auth in httprequest node
Improve labels for Pi GPIO pins
Update udp node bind local options
Add grunt build and travis-ci
Fix mocha dependency
Add debug to storage_localfilesystem test
Make localfs test async aware
Update node_registry_spec
Better spinner graphic
Fixes #189
Add websocket error handlers
Fixes #190