* Automated using https://github.com/myii/ssf-formula/pull/267

* Automated using `ssf-formula` (v0.6.0)

* Automated using `ssf-formula` (v0.1.0-rc.2)

First implementation of TOFS for:
nginx_config, passenger_config, servers_config and snippets
Introduced tplroot on modified files as well
Fixed GH link of nginx.conf file in docs/TOFS_pattern.rst
Fixed test for snippets name pillar

BREAKING CHANGE: all previous `nginx` based configurations must be reviewed;
`nginx.ng` usage must be promoted to `nginx` and any uses of the original
`nginx` will have to be converted.