First interconnection between Pipeline browser and ParaViewWeb session

Change-Id: I876e3860c02e106f33f2491adb0348a071872ba0
Add Pipeline based Web application + Update documentation

Add pipelineBrowser JavaScript widget
Add new pipeline browser based web application
Update documentation image and text
Add to main page the Data probe application
Update Widget cmake section to change destination path to be more consistent for external web components

Change-Id: I5d106cddf5358ae4ce654002191df88451c46ad5
Merge topic 'pvw-visualizer-app' into next

76e7220 Add Pipeline based Web application + Update documentation
97874c4 First interconnection between Pipeline browser and ParaViewWeb session
Small changes to the Catalyst adaptor API.

Added in a method to allow simulation codes to easily
add in multiple Python script pipelines through the C
and Fortran adaptor API.

Change-Id: I0411b0f189625f77765c0ab940da0b0e4ae63693
Merge topic '13976_api_for_extra_catalyst_scripts' into next

60c2fb1 Small changes to the Catalyst adaptor API.
Make sure to invalidate the view when something is changing

Change-Id: I10e62658b446235a5ca5d23cd919a810a2086ed4
Merge topic 'fix-paraviewweb-view-update' into next

ed511d2 Make sure to invalidate the view when something is changing