penge-block-layout: Allocate children we don't get round to with zero box
penge-block-layout: Allocate children we don't get round to with zero box

We can then skip these in the paint.

kkszysiu/gnomesocial,kkszysiu/gnomesocial,meego-netbook-ux/meego-panel-myzone,meego-netbook-ux/meego-panel-myzone