.gitignore modified for local testing purposes.
Test enviroment initialized.
Template with some default handy values for your nginx configuration.

```
sendfile on;
tcp_nopush on;
tcp_nodelay on;
server_tokens off;
reser_timedout_connections off;
keepalive_timeout 65;
```
CHANGELOG and README update.
logrotate configuration: support for configurable `delaycompress` and `dateext` parameter.
FIX: gzip template - gzip should be enabled by this template by default.

Without explicit enable variable passed.
test cookbook: recipe[nginx_test::logrotation] recipe for log rotation configuration.
Version bump: 2.2.3