* src/cli.lisp: utility functions for CLI processing.
* cli/launch/build.lisp: Builds the blog/site
* cli/launch/clean.lisp: Deletes the staging and deploy dir
* cli/launch/rebuild.lisp: Same as clean and build.
* cli/launch/serve.lisp: Doesn't work.
* src/config.lisp: load-config now takes the path to the config file
as an argument instead of trying to discover it itself.
