Merge branch 'master' of github.com:pharo-project/pharo-vm
Merge branch 'master' of github.com:pharo-project/pharo-vm
- working on spur for pharo (not done)
- included some packages needed for spur and spur bootstrap
- merged with Eliot's
- working on Spur
- started to integrate OSWindow changes
Merge branch 'master' of github.com:pharo-project/pharo-vm
cherry picking SDL2 libs from spur32
fixed md5
added LibSDL2 and SDL2DisplayPlugin
removed method that should not be there
added LibSDL2 dependency
Merge branch 'master' of github.com:pharo-project/pharo-vm

Conflicts:
	mc/CMakeVMMaker.package/monticello.meta/version
updated libgit to 0.21.0
fixed build on OSX
disabling SDL2DisplayPlugin while introducing changes from Igor/Ronie branch
sdl2 now working with linux
SDL2 working now on win32
fixed SDL2 library name for mac
Merge branch 'master' of github.com:pharo-project/pharo-vm

Conflicts:
	mc/CMakeLibSDL2.package/CMLibSDL2.class/instance/archiveMD5Sum.st
	mc/CMakeLibSDL2.package/CMLibSDL2.class/instance/downloadURL.st
	mc/CMakeLibSDL2.package/CMLibSDL2.class/instance/setVariables.st
	mc/CMakeLibSDL2.package/CMLibSDL2.class/methodProperties.json
	mc/CMakeLibSDL2.package/CMOSXLibSDL2.class/methodProperties.json
	mc/CMakeLibSDL2.package/CMUnixLibSDL2.class/class/supports..st
	mc/CMakeLibSDL2.package/CMUnixLibSDL2.class/instance/defaultConfigurationFlags.st
	mc/CMakeLibSDL2.package/CMUnixLibSDL2.class/instance/libraryFileName.st
	mc/CMakeLibSDL2.package/CMUnixLibSDL2.class/methodProperties.json
	mc/CMakeLibSDL2.package/CMWin32LibSDL2.class/class/supports..st
	mc/CMakeLibSDL2.package/CMWin32LibSDL2.class/instance/archiveMD5Sum.st
	mc/CMakeLibSDL2.package/CMWin32LibSDL2.class/instance/defaultConfigurationFlags.st
	mc/CMakeLibSDL2.package/CMWin32LibSDL2.class/instance/downloadURL.st
	mc/CMakeLibSDL2.package/CMWin32LibSDL2.class/instance/libraryFileName.st
	mc/CMakeLibSDL2.package/CMWin32LibSDL2.class/methodProperties.json
	mc/CMakeLibSDL2.package/monticello.meta/version
	mc/CMakeVMMaker.package/monticello.meta/version
	mc/ConfigurationOfSpur.package/ConfigurationOfSpur.class/instance/baselineGit..st
	mc/ConfigurationOfSpur.package/ConfigurationOfSpur.class/methodProperties.json
	mc/ConfigurationOfSpur.package/monticello.meta/version
	mc/VMMaker.oscog.package/monticello.meta/version
- OSProcess is part of the default build now
- added AioPlugin to linnux builds