Revert "post install relative path"

This reverts commit a136b74d0ab9c171aff3170fef1fdb05ce37dda2.
Revert "Fix build to use grunt-cli local version"

This reverts commit 2f176712d2eb1ac9afb9151b6b7e384d8ae28a69.
Revert "Run grunt as npm postinstall so that we have browserify+uglify available"

This reverts commit 931456a04db78ae6cd1b0ea17972aa771e330ec6.
Revert "Remove built artifacts that should be git-ignored now"

This reverts commit f16e15149d1de02afbc8e56e0e97300de11e5a0c.
Revert "Ignore milo.bundle.js and milo.min.js locally. Ensure npm install will always build these"

This reverts commit 1c5d86663ee424b951ccafcb8ada9f22ebf1173e.