Automatic ES delta field

-ES field in ES dialog to be automatically filled with delta from the user's last entry of the same day
-Reference ID: http://agilefantcloud.cs.hut.fi/hq/qr.action?q=story:1629
Focus to Close upon changing effort entries' people in ES/EL dialog

-Reference ID: http://agilefantcloud.cs.hut.fi/hq/qr.action?q=story:1452
Changed version to 3.0.3 beta1