Bring images up to date with BinDeps
Mess around with BinDeps invocation
Merge pull request #153 from lucasb-eyer/master

ImageMagick writes in sRGB, not RGB. Fix #147
Ability to set compression quality.
Merge pull request #154 from lucasb-eyer/compression-setting

Ability to set compression quality.
Add Keno's work from https://github.com/timholy/Images.jl/pull/156 into this PR
Merge pull request #145 from staticfloat/sf/bindeps

Bring images up to date with BinDeps
Added additional libwand name for Windows

This resolved #158 for me.
Merge pull request #161 from mykelk/patch-1

Added additional libwand name for Windows
Make a lack of ImageMagick still pass gracefully.  Also add Tony's warning because he's right, it should be included.
Clarify error message a bit
Merge pull request #163 from timholy/sf/magickoptionalfunrequired

Make a lack of ImageMagick still pass gracefully.
Automatic ImageMagick install on Windows

This downloads and runs the IM installer automatically.
Shows installer authorization prompt in most security
environments, but otherwise runs unattended. Installs
to usual BinDeps binary path, and does not touch system
PATH or create icons.
Use innounp to extract ImageMagick DLLs

From http://innounp.sourceforge.net/
Because the inno-based installer cannot be run without admin rights.
Merge pull request #165 from ihnorton/autowinbin

Automatic ImageMagick install on Windows
Missing quality argument for image2wand

_writemime was formerly calling image2wand with the third argument missing.
This breaks displaying inline images in IJulia in v0.3.2 of Images.jl
Merge pull request #166 from sherbondy/master

Missing quality argument for image2wand
Adds pacman BinDeps support.