rebase WIP-rendering-options onto seb's branch to add GUI
produce colors directly
Better control UI for Lighting
Link light control UI with renderer
Merge pull request #26 from Kitware/add-query-json-processing-script

WIP: Add query json processing script
Making the default camera parameters work.
Merge pull request #32 from Kitware/fix-camera-defaults

Making the default camera parameters work.
Fix style
Merge pull request #31 from Kitware/add-data-type-view-factory

Add data type view factory
tighten up color by popover
added directory level color by, but the redraw has a trigger change issue in PipelineControlWidget.js on lines 101 to 115.
Fixing directory color by controls
Add histogram model, change data structure in layer model
Fix layer model serialize method to use new organization
working pipeline user interface
fixed my style issues
Fancy control panel styling (opacity transition)
addresses the first comment and cleans up the code
Merge branch 'pipeline-ui-update' of https://github.com/Kitware/cinema into pipeline-ui-update

# By Patrick O'Leary (5) and others
# Via Patrick O'Leary (2) and Zach Mullen (2)
* 'pipeline-ui-update' of https://github.com/Kitware/cinema:
  addresses the first comment and cleans up the code
  Fancy control panel styling (opacity transition)
  fixed my style issues
  working pipeline user interface
  Fix layer model serialize method to use new organization
  Add histogram model, change data structure in layer model
  Fixing directory color by controls
  added directory level color by, but the redraw has a trigger change issue in PipelineControlWidget.js on lines 101 to 115.
  tighten up color by popover