add geo and map mappings
Made config dir available as a parameter.
Replace hardcoded paths referring to '/etc/nginx' with config variable instead.
Add pre conditions to spec file.
use nx_conf_dir for nginx configuration path
Merge pull request #338 from janorn/config_dir

Add nginx config dir as a parameter
Merge pull request #337 from rabbitt/master

add ability to define geo and map mappings
Change nx_conf_dir to config::conf_dir to make it possible to configure via parameter.
Merge pull request #339 from janorn/small_fix_337

Change nx_conf_dir to config::conf_dir
Create CONTRIBUTING.md
Fix Suse packages

No idea why someone chose to set all these packages for installation.
I can't find any matching nginx.spec on Suse build service plus we don't
want to set a specific nginx package version so just use 'nginx' as package.
temp fix for not compiled ssl and different package name
use default package_name config for suse
Make sendfile configurable

Conflicts:
	manifests/init.pp
Fix sendfile config

Conflicts:
	manifests/config.pp
	manifests/init.pp
reset broken templates
fix tests
Merge pull request #343 from Mayflower/sendfile

Ability to turn off sendfile
Merge pull request #342 from Mayflower/suse-packages

Suse packages
configuration revamp

- make many more things configurable
- stop using ::params::* for things that are configurable
- add worker_rlimit_nofile option
- add tcp_nopush option