Revert "Add emacs: fails on yum sensu install"

This reverts commit 21d37c02d77a4b2631017fe16cf8cf3cfa1df15a.
Revert "yada-yada"

This reverts commit d9b1f9e07f21ee55b3a9d2188e16d792b091d148.
Revert "Fix error: Failed dependencies"

This reverts commit 391b87d4ea5255bb16dc470810071352d5fcf3af.
Revert "Installing upgraded emacs on centos is kicking my ass"

This reverts commit 87ba1ff6ab560a5c8023110c7f46ccbc1ebd2fe5.
Revert "Revert "Add emacs: fails on yum sensu install""

This reverts commit 17dcd2d539e80ada38085c0772d5a89aa5b3e228.
Use centos7