working Images partition() implementation
working series and series binary conversion from new imageblocks
add imageblocks toImages method
Merge branch 'master' into partition3 - getting updated imgregistration code
refactoring / renaming image blocks and BlockingStrategy
Merge branch 'master' into partition3 (bringing dev branch up to date with current code)

Conflicts:
	python/test/test_images.py
	python/thunder/rdds/imageblocks.py
	python/thunder/rdds/images.py
add Series default cast to float back into image to series shuffle conversion
add imgblocks module into setup.py
Merge branch 'master' into partition3 (updating dev branch)
Merge pull request #68 from industrial-sloth/partition3

image blocks rewrite