Revert "Merge pull request #89 from travi/greenkeeper-babelify-7.0.0"
Revert "Merge pull request #89 from travi/greenkeeper-babelify-7.0.0"

This reverts commit 7516178c6c9881c9b2d45820e4b4d41916d2a01c, reversing
changes made to 887fffbbff6a4be8270a68db37c2776675198bb1.

travi/travi.org-admin,travi/travi.org-admin,travi-org/admin.travi.org,travi-org/admin.travi.org