Revert "Revert "Revert "Revert "Revert "Revert "Revert "Revert "Revert "Revert "Revert "Revert "Revert "Revert "Revert "Yoinked Boomerang 4 Gmail code from ~/Library/Application Support/Google/Chrome/Default/Extensions, prettified the important JS using http://jsbeautifier.org/"""""""""""""""

This reverts commit 3bcb256bf94060ac70831cc05af9981900df7931.