BUG : actually get array out of tifffile

It's almost like I didn't test this code before it got merged
to master.
Use libtiff reader on .lsm files.
Merge pull request #88 from danielballan/open-lsm

ENH : Use libtiff reader on .lsm files.
Merge pull request #89 from tacaswell/tifffile_fix

BUG : actually get array out of tifffile
API/REF/ENH: Use PyAV for Video.
Use new VideoStream attr; add class_exts.
ENH: Raise informatively if ImageSequence finds no files.
Merge pull request #90 from danielballan/io-error

ENH : Raise informatively if ImageSequence finds no files.
FIX: Spell grey consistently (following scikit-image).
FIX: Make as_grey work on frames shaped like (3, x, y).
FIX: Use TiffFile.series to return unreduced frames only.
ENH: Support detection of sub-subclasses of FramesSequence.
Add ffmpeg and PyAV to Travis build so tests are run.
Merge pull request #93 from danielballan/fix-lsm

ENH : Fix lsm
Merge pull request #71 from danielballan/video

API/REF/ENH: Use PyAV for Video.
FIX: Handle more than 8-bit images in rich display.
Merge pull request #95 from danielballan/16bit-bug

FIX : Handle more than 8-bit images in rich display.