[iis] Change `font/otf` → `font/opentype`

Ref: h5bp/html5-boilerplate#1317.
[nginx] Remove `text/html` from `gzip_types`

Fix: #144.
[apache] Update docs on required modules
Update README.md
[apache] More elegant way of matching `svg/svgz`
[lighttpd] Security enhancements

- Avoid revealing the server name and version number
- Disable directory listing

Ref: h5bp/server-configs#150
[apache] Add `includeSubDomains` directive to HSTS

The `includeSubDomains` optional directive allows the user to apply the
`HTTP Strict Transport Security` rule to all of the site's subdomains:
* http://tools.ietf.org/html/draft-ietf-websec-strict-transport-sec-14#section-6.1
* https://developer.mozilla.org/en-US/docs/Security/HTTP_Strict_Transport_Security

Ref: h5bp/server-configs#151
[apache] Fix rewrite rule conditions for localhost

Add `localhost` and `127.0.0.1` exceptions to the rewrite rule condi-
tions that prepend `www.` to URLs, as the current rules prevent users
from being able to test locally.

Closes h5bp/server-configs#152.
Add MIT license

In order to remove any ambiguity, provide a proper, highly
permissive license, recognized by the Open Source Initiative (OSI).

Close h5bp/server-configs#157.
Remove `.npmignore`