inital commit for INSTALL.md
some fixes
opencv/openal with TODOs
minor fix
added linux
minor fix
more fixes
improved
improved
improved
Update INSTALL.md

fixed some todos, grammar
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improved
Update INSTALL.md

improved
Update INSTALL.md

improved
Update INSTALL.md

OpenAL Soft
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improved
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improved
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Update INSTALL.md

use direct version of opencv
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improved