Simple workflow engine
Added trim trailing whitespace bash script
Serialize and deserialize workflow as JSON WIP
Finished serialize/deserialize workflow

Also ran autoformat on climatepipes.js
New workflow ui, mimics vistrails ui
increase limit on js for registry.js file
Adds 10 year average workflow
Merge branch 'master' into 54-workflow-support
Comment out stream button for now
Fix merge conflict
Merge branch '54-workflow-support-fix' into next