Pillar fixes (#217)

Squashed from:

* pillar.example: an include was missing a colon
* pillar.example: 2 directives not indented properly
* pillar.example: added the stock log_format
* pillar.example: make log path match map.jinja
* pillar.example: worker_connections value from latest mainline nginx
* pillar.example: fixed other uses of include
* pillar.example: corrected formatting
* pillar.example: corrected log_format
* pillar.example: reset log_format to try another day

pillar.example

@@ -118,7 +118,7 @@ nginx:
       # see also http://nginx.org/en/docs/example.html
       #-- - - - - -- - - -- - - - - -- - - -- - - - -- - - - - - -- - - - - - -- - - - - -- - - - - -- - - #
       config:
-        include 'snippets/letsencrypt.conf'
+        include: 'snippets/letsencrypt.conf'
         source_path: salt://path_to_nginx_conf_file/nginx.conf # IMPORTANT: This option is mutually exclusive with the rest of the
                                                           # options; if it is found other options (worker_processes: 4 and so
                                                           # on) are not processed and just upload the file from source
@@ -126,7 +126,7 @@ nginx:
         load_module: modules/ngx_http_lua_module.so  # pass as very first in configuration; otherwise nginx will fail to start
         #pid: /var/run/nginx.pid                     # Directory location must exist (i.e. it's  /run/nginx.pid on EL7)
         events:
-          worker_connections: 768
+          worker_connections: 1024
         http:
           sendfile: 'on'
           include:
@@ -208,7 +208,7 @@ nginx:
               - location ~ .htm:
                 - try_files: '$uri $uri/ =404'
                 - test: something else
-              - include 'snippets/letsencrypt.conf'
+              - include: 'snippets/letsencrypt.conf'
 
           # Or a slightly more compact alternative syntax:
 
@@ -221,7 +221,7 @@ nginx:
               - location ~ .htm:
                 - try_files: '$uri $uri/ =404'
                 - test: something else
-              - include 'snippets/letsencrypt.conf'
+              - include: 'snippets/letsencrypt.conf'
 
           # both of those output:
           # server {