Add crond as a default HBAC service

Ticket: https://fedorahosted.org/freeipa/ticket/3215
Add Ana Krivokapic to Contributors.txt
Enable mod_deflate

Enabled mod_deflate for:
* text/html (HTML files)
* text/plain (for future use)
* text/css (CSS files)
* text/xml (XML RPC)
* application/javascript (JavaScript files)
* application/json (JSON RPC)
* application/x-font-woff (woff fonts)

Added proper mime type for woff fonts.
Disabled etag header because it doesn't work with mod_deflate.

https://fedorahosted.org/freeipa/ticket/3326