Added showing perlbrew and nave node versions
Fixed up documentation
Merge branch 'master' of github.com:ivanwills/App-PS1

* 'master' of github.com:ivanwills/App-PS1:
  Adding tag files
  Fixed spelling
  Added method documentation
  Cleaned up boiler plate text
  Started documenting methods
  Removed non-existant files
  Updated package files
  Added setting the theme from the environment
  Added green theme
  Removed warn
  Converted colours to use themes
  Passing more things on
  Some rationalisation of plugins and cleanup
  Changed it so that the background colour can be configured by an environment variable

Conflicts:
	bin/app-ps1