correct view resizing w.r.to segmented-control height to 44px; fix demo app (no NIBs); add property shouldSegmentedControlOverlapContentView (per @smbarne)
minor fixups per @smbarne
Merge pull request #1 from Raizlabs/dk-fixCtlHeight

correct view resizing w.r.to segmented-control height to 44px; fix demo ...