Fix deprecations (#35)

* Drop Nagios support
* Fix start PHP-FPM on Docker
* Fix deprecations on Ansible 2.7

- with_ -> loop
- fix filters as test
- test version_compare -> version
- set min_version to 2.5

templates/etc/nginx/sites-available/_base.j2

@@ -83,7 +83,7 @@ server {
 {% block template_headers %}
 	# --> Custom headers
 {% for key, value in __headers.iteritems() %}
-	add_header {{ key }} "{{ value | replace(' always', '') }}"{% if nginx_version.stdout | version_compare('1.7.5', 'ge') and ' always' in value %} always{% endif %};
+	add_header {{ key }} "{{ value | replace(' always', '') }}"{% if nginx_version.stdout is version('1.7.5', 'ge') and ' always' in value %} always{% endif %};
 {% endfor %}
 	# <-- Custom headers
 {% endblock %}

templates/etc/nginx/sites-available/_nagios3.j2

@@ -1,59 +0,0 @@
-{% extends "_php.j2" %}
-
-{% block root %}
-	root {{ nginx_nagios_root }};
-{% endblock %}
-
-{% block template_try_files %}
-{% endblock %}
-
-{% block template_index %}
-	index index.php index.html;
-{% endblock %}
-
-{% block template_headers %}
-	# --> Custom headers
-{% for key, value in __headers.iteritems() %}
-{% if key == "X-Frame-Options" %}
-	# X-Frame-Options forced by Ansible
-	add_header {{ key }} "SAMEORIGIN"{% if nginx_version.stdout | version_compare('1.7.5', 'ge') %} always{% endif %};
-{% else %}
-	add_header {{ key }} "{{ value | replace(' always', '') }}"{% if nginx_version.stdout | version_compare('1.7.5', 'ge') and ' always' in value %} always{% endif %};
-{% endif %}
-{% endfor %}
-	# <-- Custom headers
-{% endblock %}
-
-
-{% block template_local_content %}
-	location ~ /\.ht {
-		deny all;
-	}
-
-	location /stylesheets {
-{% if nginx_nagios_stylesheets is defined %}
-		alias {{ nginx_nagios_stylesheets }};
-{% endif %}
-		expires 60d;
-	}
-{% endblock %}
-
-{% block template_upstream_location %}
-{% if ansible_distribution == 'Debian' %}
-	location /cgi-bin/nagios3 {
-		root /usr/lib;
-{% elif ansible_distribution == 'FreeBSD' %}
-	location /cgi-bin {
-{% endif %}
-		try_files $uri =404;
-		include fastcgi.conf;
-		fastcgi_pass unix:{{ nginx_fcgiwrap_sock }};
-		fastcgi_param AUTH_USER $remote_user;
-		fastcgi_param REMOTE_USER $remote_user;
-	}
-	location ~ \.php$ {
-		fastcgi_pass {{ php_upstream }};
-		fastcgi_index index.php;
-		include fastcgi.conf;
-	}
-{% endblock %}