Spiff up the Makefile

- Split lines for readability
- Add status target
- ssh target cd-s into server root dir
- unicorn restart was failing on push
  stop/start seems to always work
Some refactoring and bug fixes

- Make long lines readable
- Read package file as utf8
- Change 'authors' to 'author'
- Rebuild packages.json on star (for now)
- Sort package keys
- Pretty print JSON
- Made Git object a constant (GIT) for now