Better composite catalyst web widget

Provide same type of control panel as other widgets.

Change-Id: I9e5406070741ec8ef32b6514e9f9082cbece7800
better UI for catalyst re-sampler web widget

Change-Id: I44c9620482376922f23f63e738edd73b772d7d6b
Merge topic 'web-catalyst-composite-widget' into master

3bb60f29 better UI for catalyst re-sampler web widget
b6700dfb Better composite catalyst web widget