write entropy data 4 times a day instead of 8

Change-Id: I029736451f259a571ebfe988f442d71c5c056a32
boost boost hint

ps2: fix tabs, make message qualitatively superior.

Change-Id: I4747e6aee67753ed407f33629373defb4c685af2
Fix typo

Change-Id: I58f863c4eb1eb4196d001c280027ab59bee51ce4