Revert "fixed: Makefile should have tabs"

This reverts commit bbac75bfa215cc07ad50db4670eebebeb5082ab4.
Revert "retab on the rest of the files"

This reverts commit 569178c05f02fa9f22a6fb7bd1baccf3765a866e.
Revert "cleaned git-prompt.conf"

This reverts commit 6ecb1d4b9d52f60d63694aac39ebeb0940193b9f.
Revert "format consistently"

This reverts commit 08f42056fd0e62ee53ab14b4fe95a2b5e04eed16.