FIX: Correct Video.frame_shape and operate nicely with as_grey
FIX: Remove unused pix_fmt; raise dtype as NotImplmented
TST: Restore expected values to correct values.
FIX: Handle edge case of a flat image.
FIX: Make open() safe for classes with varying arg order.
ENH: Implemented dtype for PyAVReader.
TST: Test dtype functionality for all classes.
Merge pull request #100 from danielballan/fix-video-shape

FIX : Correct Video.frame_shape and operate nicely with as_grey
ENH : ImageSequence can take in a list as input

Any input that is not a string is assumed to list-like
FIX: ImageSequence __repr__ shows '(list of images)'
TST: ImageSequence accepts a list of filenames.
TST : add extra meta-data for new tests
TST : removed redundant tests
Remove unused 'slow' qualifier.
TST : fix failing test
BLD: Remove conda's broken libm.so.6.
BLD: Install scikit-image and libtiff (py2 only).
DOC: Document libm issue.
Merge pull request #102 from danielballan/run-all-tests

BLD : Run av and libtiff tests on Travis.
Merge pull request #78 from tacaswell/file_paths

ENH : ImageSequence accepts a list of filenames.