fix infinate scrolling

tada! just needed to fix the "total" function in the schema. It
couldn't see "totaltoGen" in the parent object, so the grid did not
know how long it should be. I hard-wired it for now to 250,000, but
this should come from the JSON response. I'll do that next.
Merge branch 'mvvm' of https://github.com/mgreer/kendoui.gridtest.2 into mvvm

Conflicts:
	index.html