Switch internal representation from UArray to StorableArray
Merge pull request #1 from tvh/storable

Switch internal representation from UArray to StorableArray
update for change to underlying array representation
update for addition of 'length' to prelude
update for new version of QuickCheck
Merge branch 'master' of github.com:AccelerateHS/accelerate-examples

Conflicts:
	examples/n-body/Random/Position.hs
	examples/nofib/Test/Prelude/IndexSpace.hs
	examples/nofib/Test/Spectral/BlackScholes.hs
	lib/Random/Array.hs
mandel: load preset scene with numbers 0-9

* Presets stolen from Repa, but currently we don't support configurable escape conditions, so some of the scenes are effectively blank.
mandel: wibbles
add test for correct boundary handling