fix(servers_config): remove service depedency

* servers_config should run without service dependency. Service is
  managed in servers.sls.
* dropped nginx_service_reload in favor of extending nginx_service
* wait for all file states (create and delete)
* create dirs for symlinked files

nginx/servers.sls

 {%- set tplroot = tpldir.split('/')[0] %}
 {%- from tplroot ~ '/map.jinja' import nginx, sls_block with context %}
 {%- from tplroot ~ '/servers_config.sls' import server_states with context %}
-{%- from tplroot ~ '/service.sls' import service_function with context %}
 
 {% macro file_requisites(states) %}
-      {%- for state in states %}
-      - file: {{ state }}
-      {%- endfor -%}
+{%- for state in states %}
+        - file: {{ state }}
+{%- endfor -%}
 {% endmacro %}
 
 include:
   - nginx.servers_config
 
 {% if server_states|length() > 0 %}
-nginx_service_reload:
-  service.{{ service_function }}:
-    - name: {{ nginx.lookup.service }}
-    - reload: True
-    - use:
-      - service: nginx_service
-    - listen:
-      {{ file_requisites(server_states) }}
-    - require:
-      {{ file_requisites(server_states) }}
-      - service: nginx_service
+extend:
+  nginx_service:
+    service:
+      - reload: True
+      - require:
+        {{ file_requisites(server_states) }}
+      - listen:
+        {{ file_requisites(server_states) }}
 {% endif %}

nginx/servers_config.sls

   file.symlink:
     {{ sls_block(nginx.servers.symlink_opts) }}
     - name: {{ server_path(server, state) }}
+    - makedirs: True
     - target: {{ server_path(server, anti_state) }}
     {%- else %}
         {%- if deleted == True %}
       }}
     - makedirs: True
     - template: jinja
-    - require_in:
-      - service: nginx_service
 {% if 'source_path' not in settings.config %}
     - context:
         config: {{ settings.config|json(sort_keys=False) }}
     - unless:
       - test -e {{ server_curpath(server) }}
     {% endif %}
-{% do server_states.append(conf_state_id) %}
 {% endif %}
 {% endif %}
+{% do server_states.append(conf_state_id) %}
 
 {% if settings.enabled != None %}
 {% set status_state_id = 'server_state_' ~ loop.index0 %}
       - file: {{ conf_state_id }}
 {% endif %}
 
-{% if 'deleted' not in settings or ( 'deleted' in settings and settings.deleted == False ) %}
 {% do server_states.append(status_state_id) %}
-{% endif %}
 {%- endif %} {# enabled != available_dir #}
 {% endif %}
 {% endfor %}