Make array values visible.
Make array values visible.

This is similar to cae6e4ab43 amd issues #70 and #44 as
if you have an Array of hashes, it is currently
printed as [Object, Object, Object]..

This change makes it get printed as pretty JSON instead

Note however that if you have an array of non-objects, then
value.toString() will be called instead - allowing you to search
on the array contents from the UI for simple fields.

MjAbuz/Kibana,rashidkpc/kibana2,alphagov/Kibana,rashidkpc/kibana2,rashidkpc/kibana2,MjAbuz/Kibana,MjAbuz/Kibana,CSGOpenSource/Kibana2,melexis/kibana,CSGOpenSource/Kibana2,melexis/kibana,alphagov/Kibana,MjAbuz/Kibana,CSGOpenSource/Kibana2,rashidkpc/kibana2,alphagov/Kibana,melexis/kibana