Updates issue #7 - Set old S3_CACHE_CONTROL in S3_HEADERS on init and

doc fixes.

docs/index.rst

@@ -152,9 +152,9 @@ headers you want to use with the `S3_HEADERS` option.
         'Cache-Control': 'max-age=86400',
     }
 
-See `yahoo`_ more information on how to set good values for your headers.
+See `Yahoo!`_ more information on how to set good values for your headers.
 
-.. _yahoo: http://developer.yahoo.com/performance/rules.html#expires
+.. _Yahoo!: http://developer.yahoo.com/performance/rules.html#expires
 
 .. _settings:
 .. _configuration:
@@ -198,14 +198,8 @@ uploading assets to S3.
                             specified by `flask.url_for`.
 `S3_HEADERS`                Sets custom headers to be sent with each file to S3.
                             **Default:** `{}`
-`S3_CACHE_CONTROL`          **Deprecated**. Please use `S3_HEADERS` instead.   
-                            This sets the value of the Cache-Control header that
-                            is set in the metadata when `S3_USE_CACHE_CONTRL` is
-                            set to `True`.
+`S3_CACHE_CONTROL`          **Deprecated**. Please use `S3_HEADERS` instead.
 `S3_USE_CACHE_CONTROL`      **Deprecated**. Please use `S3_HEADERS` instead.
-                            Specifies whether or not to set the metadata for the
-                            Cache-Control headers.
-                            **Default:** `False`
 =========================== ===================================================
 
 .. _debug: http://flask.pocoo.org/docs/config/#configuration-basics

flask_s3.py

@@ -107,9 +107,6 @@ def _write_files(app, static_url_loc, static_folder, files, bucket,
             logger.debug("%s excluded from upload" % key_name)
         else:
             k = Key(bucket=bucket, name=key_name)
-            if (app.config['S3_USE_CACHE_CONTROL'] and
-                'S3_CACHE_CONTROL' in app.config):
-                k.set_metadata('Cache-Control', app.config['S3_CACHE_CONTROL'])
             # Set custom headers
             for header, value in app.config['S3_HEADERS'].iteritems():
                 k.set_metadata(header, value)
@@ -229,4 +226,6 @@ class FlaskS3(object):
 
         if app.config['USE_S3']:
             app.jinja_env.globals['url_for'] = url_for
-
+        if 'S3_USE_CACHE_CONTROL' and 'S3_CACHE_CONTROL' in app.config:
+            cache_control_header = app.config['S3_CACHE_CONTROL']
+            app.config['S3_HEADERS']['Cache-Control'] = cache_control_header