Remove submodules (about to add them back as subtrees)
Squashed 'Twig/' content from commit bc30d9b

git-subtree-dir: Twig
git-subtree-split: bc30d9b7e24b0cd2f02078064b2d9fe1c20aa1aa
Merge commit 'c755e94cbaa8b98bb82d75633bb0bbe2a86e9d55' as 'Twig'
Squashed 'node-jinjs/' content from commit 6691d62

git-subtree-dir: node-jinjs
git-subtree-split: 6691d621a8f512ac815b1985b06fc2cb5ff22a05
Merge commit '58307b2c30771d3cb9cfa136ee08ba983a7bc8ea' as 'node-jinjs'
Squashed 'swig/' content from commit 4ad0b87

git-subtree-dir: swig
git-subtree-split: 4ad0b8744c2833dd2164d9854451ffcd7273111b
Merge commit '69a3fc825dde6e6d3d56a5cd8ee2d8f7a25f5b85' as 'swig'
Switch from jinjs to swig