remove submodule
Squashed 'lib/' content from commit ce2941b

git-subtree-dir: lib
git-subtree-split: ce2941bd2cf907b02ce7c21d3edc48fd925cf200
Merge commit '651100065bc446504adf945041bcd50a61547760' as 'lib'
remove om636
remove submodules
Squashed 'test/lib/om636/' content from commit ce2941b

git-subtree-dir: test/lib/om636
git-subtree-split: ce2941bd2cf907b02ce7c21d3edc48fd925cf200
Merge commit '225090729c55340f41be9a4314935043192085aa' as 'test/lib/om636'
moved om636 into test
Merge pull request #3 from mucbuc/switch

Switch to subtree instead submodule.