Created dummy core.cljx file
Added support for cljx for the project.clj file
Added support for cljx in the main file

Refactored out the arguments to `->files` to conditionally include core.cljx
Added cljx-nrepl-middleware
Added cljx nrepl-middleware
Added an entry about the --cljx option to README
Removed :jar-exclusions from the profile
Tweaked the README cljx wording a bit.
Refactored the indent formatting functions.
Merge pull request #27 from luxbock/cljx

Add optional Cljx support