Updated Watson nodes to reflect changes in Watson API
Merge pull request #5 from anna2130/watson-bluemix

Updated Watson nodes to reflect changes in Watson API
Add watson nodes to package and tweak mqlight icon
Rework service presence check in watson/mqlight nodes
Dont prefilter service list in watson/mqlight nodes
Typo in service list handling
Ensure chosen language is preselected
Add watson documentation links
Bump version
Tone down Watson node colours