Allows non repository mode to select files the same way as repository mode.
Added node set creation ability back into this branch
tastypie API for workflow and workflowrealtionship core.models
Initial usage of backbone-forms and backbone marionette for node pairing analysis.
Added dynamic dropdowns based on workflow options
Running workflows with single inputs matched using a nodeset uuid.
Updated running analysis based on noderelationships.
Galaxy workflows can be run using existing node pair relationships.
Merge branch 'node_pairing_analysis' into develop
Merge branch 'develop' of github.com:parklab/Refinery into develop

Conflicts:
	refinery/core/views.py
	refinery/templates/core/data_set.html