Adapt to plugin refactoring (Eyescale/Lunchbox#18)
Fix build (Eyescale/Lunchbox#18)
Fix compressor_image unit test (Eyescale/Lunchbox#18)
Merge branch 'master' into plugins
Merge branch 'master' into plugins

Conflicts:
	tests/compressor/image.cpp
Missing chunk for last merge
Merge branch 'master' of https://github.com/Eyescale/CMake into plugins
Merge branch 'plugins' of https://github.com/Eyescale/Equalizer into plugins

Conflicts:
	tests/client/imageIO.cpp
	tests/server/loader/examples.cpp
Fix image upload and download (Eyescale/Lunchbox#18)
Merge branch 'plugins' of https://github.com/Eyescale/Equalizer into plugins
Implement downsampling of images to 8bbp during save-to-rgb for #201
Adapt to changes for Eyescale/Lunchbox#18
Adapt and CR for Eyescale/Lunchbox#18 changes
Merge branch 'plugins' of https://github.com/Eyescale/Equalizer into plugins
Merge branch 'master' into plugins
Fix build
Clear framebuffer to transparent
Don't invert alpha during rgb write
Render ply geometry opaque
Fix build