rewind files in flush_writes method of s3 and fog storage
Updated "Events" section in README to include example of hook for skipping post processing.
Fix the events example to read as if I know what a Boolean is.
Merge branch 'flush_writes-rewind' of https://github.com/jcantara/paperclip
Skip post processing on the size matcher

Fixes #646
Update README

Fixes #723
Remove all the deprecated method

We've deprecate these method for a while, it's time to remove it.
Update README.md
Pass aditional parameters to S3 expiring urls

This adds functionality to add additional params to the querystring for
S3 expiring URLs. The reason for this is if you want to override
response_content_type or response_content_disposition with expiring
URLs, you have to change Amazon's signature, which gets signed before
adding additional options to the querystring. Because it's added later,
and because Amazon's signature includes the full URL, the signature is
bad and the request fails.

To use this feature:

    has_attached_file :avatar,
                      :s3_url_options => { :response_content_disposition => "inline" }

Additionally, you can pass a lambda and it'll be evaluated when the URL
is generated. If, for example, the content type is incorrect in Amazon
(either empty or application/octet-stream), you can effectively cast the
response from Amazon as a particular content type.

    has_attached_file :avatar,
                      :s3_url_options => lambda {|model| { :response_content_type => model.avatar_content_type } }
Don't define methods in shoulda contexts
Cleanup
Added tests for passing S3 credentials as a proc.

Fixes #738
Fix whitespace
Do not add duplicate paths to Cocaine::CommandLine.path for each run.
Change the default :url and :path to avoid conflicts. Closes #727.

The new default :path and :include include the name of the model and
also nests the model ID under a series of subdirectories, improving
filesystem access speed when more than 1024 models have saved
attachments.

The easiest way to upgrade is to add an explicit :url and :path to your
has_attached_file calls:

    has_attached_file :avatar,
      :path => ":rails_root/public/system/:attachment/:id/:style/:filename",
      :url => "/system/:attachment/:id/:style/:filename"
minor typo in explanatory rdoc-comment
Merge pull request #780 from kronn/patch-1

minor typo in explanatory rdoc-comment
Make sure Paperclip doesn't raise an exception when using a numeric style name
Added test for webmat's fix
Load models in batches, to make this more practical for large datasets.

Note: find_each doesn't support order because it already specifies it.
And it happens to be 'id' as well.