Merge pull request #51 from intervalia/master

Enhancements for sub-assemblies, separate templates and updated tests
Update README.mdown

Fix typos
Print Stylus compile errors to the terminal.
Merge pull request #53 from wwwpol/master

Print Stylus compile errors to the terminal.
Merge branch 'master-us'

* master-us:
  Print Stylus compile errors to the terminal.
  Update README.mdown

Conflicts:
	package.json