sitelinkgroupview: Added missing template parameter

Change-Id: I2604943192fcd5906a7e23c9d1f5c13c70f7c82b
Updated entityview documentation

Change-Id: I82fdc02f62c99a3223af9d2812002e1484e14a1c
Merge "sitelinkgroupview: Added missing template parameter"
Merge "Updated entityview documentation"