dont update location if lat or long is 0,0
category on pfpush. create subclass of pfobject called plstatus
create PLStatus model and clean up unused code from plfeedviewcontroller
rewrote findNearbyPeople for feed and saveStatus in compose. These now use the new Status model
fix bug where we were still using currentStatus string to calculate height for each feedviewcell
fix feed crash. also stops loading feed synchronously doh\!