Created with Pillow: im = Image.open('hopper.jpg'); im = im.convert('1'); im.save('hopper.msp')
More tests for MspImagePlugin.py
Merge remote-tracking branch 'upstream/master' into MspImagePlugin

Conflicts:
	Tests/helper.py
Created with ImageMagick: convert tests\images\hopper.jpg -colorspace Gray -colors 16 -depth 4 tests\images\hopper_gray_4bpp.tif
Support and test for 4-bit greyscale TIFF
flake8
Avoid divide by zero
Created by printing a page in Chrome to PDF, then: /usr/bin/gs -q -sDEVICE=tiffg3 -sOutputFile=total-pages-zero.tif -dNOPAUSE /tmp/test.pdf -c quit
Test TIFF with PageNumber 0 0
Save to a self.tempfile() so it's properly cleaned up afterwards
Add Ubuntu 14.04 prerequisites

Replaces `tcl8.5-dev` and `tk8.5-dev` with `tcl8.6-dev` and `tk8.6-dev` for 14.04.
Merge pull request #979 from nathancahill/patch-1

Add Ubuntu 14.04 prerequisites to docs
Merge pull request #929 from hugovk/MspImagePlugin

More tests for MspImagePlugin
Added 4bit test to libtiff as well
Typos [CI skip]
Merge pull request #976 from hugovk/tiff_ints

Fix saving TIFF with PageNumber total = 0
Merge pull request #980 from wiredfool/pr_938

4 bit TIFF support
Update CHANGES.rst [CI skip]