Cherry-picking: Adding new primer to Tutorials section; updates links
Removed white space in code block
(cherry picked from commit 1f940a1ed8ffbbbeefe48140234cb6e1bd3dea8d)

Conflicts:
	examples/tutorials/new-users.markdown
Merge pull request #201 from deb-cfengine/CP_erikprimer

Cherry-picking: Adding new primer to Tutorials section; updates links