HBASE-16986 Revisiting default value for hbase.client.scanner.caching
HBASE-16986 Revisiting default value for hbase.client.scanner.caching

This reverts commit b2d1e21e77644c9b0b5e83dcb662e5b2f71df072.

This is a revert of a revert to fix the commit message so we have
the right JIRA number

Eshcar/hbase,francisliu/hbase,ultratendency/hbase,ultratendency/hbase,JingchengDu/hbase,mahak/hbase,mahak/hbase,apurtell/hbase,apurtell/hbase,ChinmaySKulkarni/hbase,vincentpoon/hbase,francisliu/hbase,HubSpot/hbase,francisliu/hbase,mahak/hbase,JingchengDu/hbase,Eshcar/hbase,vincentpoon/hbase,ChinmaySKulkarni/hbase,JingchengDu/hbase,apurtell/hbase,gustavoanatoly/hbase,JingchengDu/hbase,Eshcar/hbase,HubSpot/hbase,Apache9/hbase,ChinmaySKulkarni/hbase,ultratendency/hbase,ChinmaySKulkarni/hbase,Eshcar/hbase,apurtell/hbase,JingchengDu/hbase,gustavoanatoly/hbase,HubSpot/hbase,Apache9/hbase,vincentpoon/hbase,HubSpot/hbase,ultratendency/hbase,bijugs/hbase,apurtell/hbase,Apache9/hbase,apurtell/hbase,Eshcar/hbase,ultratendency/hbase,ndimiduk/hbase,gustavoanatoly/hbase,Apache9/hbase,bijugs/hbase,vincentpoon/hbase,francisliu/hbase,Apache9/hbase,bijugs/hbase,ultratendency/hbase,apurtell/hbase,vincentpoon/hbase,mahak/hbase,francisliu/hbase,ndimiduk/hbase,Apache9/hbase,ultratendency/hbase,bijugs/hbase,HubSpot/hbase,bijugs/hbase,JingchengDu/hbase,ultratendency/hbase,mahak/hbase,ndimiduk/hbase,JingchengDu/hbase,Apache9/hbase,JingchengDu/hbase,francisliu/hbase,francisliu/hbase,JingchengDu/hbase,HubSpot/hbase,bijugs/hbase,gustavoanatoly/hbase,apurtell/hbase,vincentpoon/hbase,HubSpot/hbase,gustavoanatoly/hbase,francisliu/hbase,ChinmaySKulkarni/hbase,vincentpoon/hbase,ndimiduk/hbase,gustavoanatoly/hbase,Eshcar/hbase,Apache9/hbase,ndimiduk/hbase,Apache9/hbase,ChinmaySKulkarni/hbase,ChinmaySKulkarni/hbase,ultratendency/hbase,Eshcar/hbase,francisliu/hbase,bijugs/hbase,ChinmaySKulkarni/hbase,gustavoanatoly/hbase,JingchengDu/hbase,vincentpoon/hbase,ndimiduk/hbase,mahak/hbase,HubSpot/hbase,francisliu/hbase,gustavoanatoly/hbase,vincentpoon/hbase,ndimiduk/hbase,Eshcar/hbase,mahak/hbase,ChinmaySKulkarni/hbase,HubSpot/hbase,ndimiduk/hbase,mahak/hbase,Eshcar/hbase,mahak/hbase,ndimiduk/hbase,gustavoanatoly/hbase,ultratendency/hbase,apurtell/hbase,ChinmaySKulkarni/hbase,gustavoanatoly/hbase,bijugs/hbase,Eshcar/hbase,HubSpot/hbase,bijugs/hbase,mahak/hbase,bijugs/hbase,ndimiduk/hbase,Apache9/hbase,vincentpoon/hbase,apurtell/hbase