SILK-106 - Report error when stats field is multivalued
Added filter addition facility to filtering panel
auto select precision and interval for range facet panel
added precision to the range facet panel
fix range facet precision select list
Merge branch 'develop' of https://github.com/Kareem-Fikry/banana into Kareem-dev

Conflicts:
	src/app/panels/terms/module.js
Merge branch 'Kareem-dev' into develop