Docstring/comment fixes [skip ci] ref #534
Clarified Test Validity
Merge pull request #552 from wiredfool/fix-getcolor-rgba

Imagecolor
Wording
Merge branch 'master' of github.com:python-imaging/Pillow
TST: fix failing BMP tests on Windows
Update platform support

Pillow 2.3.0dev passes all tests on Windows 8.1 Pro
Merge pull request #557 from cgohlke/patch-1

TST: fix failing BMP tests on Windows
Merge pull request #558 from cgohlke/patch-2

Update platform support