Revert "upgrade to lein 2.0.0"

This reverts commit 704166ccfc361ebd4637839c714510291aa80871.
Revert "reformat index.clj"

This reverts commit f259d6e609d44b3ddd3c59ea4e6f90718ae83831.
Revert "update README.md"

This reverts commit 6515b1a7a703e6beeebfb7944be48795cf9837ea.
Revert "convert to clojure/noir"

This reverts commit 917eb34ef1aeabe49ba6409f16c4a59fd6121b02.