Fix source module iteration

* Fixing iteration for building nginx by source with respect
  to modules
* Adding `CHANGELOG.rst` and `VERSION` per https://groups.google.com/forum/#!topic/salt-users/zHguqsk-mds

CHANGELOG.rst

@@ -0,0 +1,9 @@
+=============
+nginx-formula
+=============
+
+0.0.3
+-----
+
+- Using correct iteration method in ``source.sls`` for modules
+- Correct source_hash for ``headers-more`` module in ``pillar.example``

VERSION

@@ -0,0 +1 @@
+0.0.3

nginx/source.sls

@@ -61,7 +61,7 @@ get-nginx:
     - watch:
       - file: get-nginx
 
-{% for name, module in nginx.get('modules', {}) -%}
+{% for name, module in nginx.get('modules', {}).items() -%}
 get-nginx-{{name}}:
   file.managed:
     - name: {{ nginx_modules_dir }}/{{name}}.tar.gz
@@ -145,7 +145,7 @@ nginx:
         --http-fastcgi-temp-path={{ home }}/fastcgi
         --with-debug
         --with-http_ssl_module
-        {% for name, module in nginx.get('modules', {}) -%}
+        {% for name, module in nginx.get('modules', {}).items() -%}
         --add-module={{nginx_modules_dir}}/{{name}} \
         --with-pcre --with-ipv6
         {% endfor %}

pillar.example

@@ -5,4 +5,4 @@ nginx:
   modules:
     headers-more:
       source: http://github.com/agentzh/headers-more-nginx-module/tarball/v0.21
-      source_hash: sha1=DAFJAKSDFJAKDFJ
+      source_hash: sha1=dbf914cbf3f7b6cb7e033fa7b7c49e2f8879113b